{"id":1661,"date":"2007-09-11T17:32:00","date_gmt":"2007-09-11T17:32:00","guid":{"rendered":"http:\/\/marcbook.local\/wds\/playground\/cybertrust\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/"},"modified":"2023-05-15T23:03:35","modified_gmt":"2023-05-16T06:03:35","slug":"how-to-tell-if-windows-defender-is-installed-on-your-computer","status":"publish","type":"post","link":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/","title":{"rendered":"How to tell if Windows Defender is installed on your computer"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"margin: 0in 0in 0pt;\"><span style=\"font-size: 8.5pt; font-family: Verdana;\">Windows Defender is an antispyware program from Microsoft that helps protect you from spyware, pop-up windows, and other unwanted software. It&#8217;s free to download for Windows XP users and it comes with Windows Vista.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin: 0in 0in 0pt;\"><!--?xml:namespace prefix = o ns = \"urn:schemas-microsoft-com:office:office\" \/--><\/p>\n<p class=\"MsoNormal\" style=\"margin: 0in 0in 0pt;\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-size: 8.5pt; font-family: Verdana;\">To check whether Windows Defender is already installed on your computer:<\/span><\/b><\/p>\n<p class=\"MsoNormal\" style=\"margin: 0in 0in 0pt 0.5in; text-indent: -0.25in; tab-stops: list .5in; mso-list: l0 level1 lfo1;\"><span style=\"font-size: 8.5pt; font-family: Verdana; mso-fareast-font-family: Verdana; mso-bidi-font-family: Verdana;\"><span style=\"mso-list: Ignore;\">1.<span style=\"font: 7pt 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><\/span><span style=\"font-size: 8.5pt; font-family: Verdana;\">Click <b style=\"mso-bidi-font-weight: normal;\">Start<\/b> and then click <b style=\"mso-bidi-font-weight: normal;\">All Programs<\/b>.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin: 0in 0in 0pt 0.5in; text-indent: -0.25in; tab-stops: list .5in; mso-list: l0 level1 lfo1;\"><span style=\"font-size: 8.5pt; font-family: Verdana; mso-fareast-font-family: Verdana; mso-bidi-font-family: Verdana;\"><span style=\"mso-list: Ignore;\">2.<span style=\"font: 7pt 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><\/span><span style=\"font-size: 8.5pt; font-family: Verdana;\">Look for <b style=\"mso-bidi-font-weight: normal;\">Windows Defender <\/b>in the list presented.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin: 0in 0in 0pt 0.5in; tab-stops: list .5in; mso-list: l0 level1 lfo1;\"><span style=\"font-size: 8.5pt; font-family: Verdana;\"><span style=\"font-size: 8.5pt; font-family: Verdana;\">If your computer is running Windows XP and you don&#8217;t see Windows Defender on the list, you can <a href=\"http:\/\/www.microsoft.com\/downloads\/details.aspx?FamilyId=435BFCE7-DA2B-4A6A-AFA4-F7F14E605A0D&amp;amp;displaylang=en&amp;amp;mg_id=10134\">download the program<\/a> for no charge.<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin: 0in 0in 0pt 0.5in; tab-stops: list .5in; mso-list: l0 level1 lfo1;\">\n<div style=\"clear: both;\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Windows Defender is an antispyware program from Microsoft that helps protect you from spyware, pop-up windows, and other unwanted software. It&#8217;s free to download for Windows XP users and it comes with Windows Vista. To check whether Windows Defender is already installed on your computer: 1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Click Start and then click All Programs. 2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Look [&hellip;]<\/p>\n","protected":false},"author":61,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"_classifai_error":"","footnotes":""},"content-type":[3662],"topic":[3683],"products":[3690],"threat-intelligence":[],"tags":[],"coauthors":[1879],"class_list":["post-1661","post","type-post","status-publish","format-standard","hentry","content-type-news","topic-security-management","products-microsoft-defender"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to tell if Windows Defender is installed on your computer | Microsoft Security Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to tell if Windows Defender is installed on your computer | Microsoft Security Blog\" \/>\n<meta property=\"og:description\" content=\"Windows Defender is an antispyware program from Microsoft that helps protect you from spyware, pop-up windows, and other unwanted software. It&#8217;s free to download for Windows XP users and it comes with Windows Vista. To check whether Windows Defender is already installed on your computer: 1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Click Start and then click All Programs. 2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Look [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/\" \/>\n<meta property=\"og:site_name\" content=\"Microsoft Security Blog\" \/>\n<meta property=\"article:published_time\" content=\"2007-09-11T17:32:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-05-16T06:03:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-content\/uploads\/2018\/08\/cropped-microsoft_logo_element.png\" \/>\n\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t<meta property=\"og:image:height\" content=\"512\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Eve Blakemore\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Eve Blakemore\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"&lt;1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/\"},\"author\":[{\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/author\/eveblakemore\/\",\"@type\":\"Person\",\"@name\":\"Eve Blakemore\"}],\"headline\":\"How to tell if Windows Defender is installed on your computer\",\"datePublished\":\"2007-09-11T17:32:00+00:00\",\"dateModified\":\"2023-05-16T06:03:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/\"},\"wordCount\":97,\"publisher\":{\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/\",\"url\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/\",\"name\":\"How to tell if Windows Defender is installed on your computer | Microsoft Security Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#website\"},\"datePublished\":\"2007-09-11T17:32:00+00:00\",\"dateModified\":\"2023-05-16T06:03:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to tell if Windows Defender is installed on your computer\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#website\",\"url\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/\",\"name\":\"Microsoft Security Blog\",\"description\":\"Expert coverage of cybersecurity topics\",\"publisher\":{\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#organization\",\"name\":\"Microsoft Security Blog\",\"url\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-content\/uploads\/2018\/08\/cropped-cropped-microsoft_logo_element.png\",\"contentUrl\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-content\/uploads\/2018\/08\/cropped-cropped-microsoft_logo_element.png\",\"width\":512,\"height\":512,\"caption\":\"Microsoft Security Blog\"},\"image\":{\"@id\":\"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to tell if Windows Defender is installed on your computer | Microsoft Security Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/","og_locale":"en_US","og_type":"article","og_title":"How to tell if Windows Defender is installed on your computer | Microsoft Security Blog","og_description":"Windows Defender is an antispyware program from Microsoft that helps protect you from spyware, pop-up windows, and other unwanted software. It&#8217;s free to download for Windows XP users and it comes with Windows Vista. To check whether Windows Defender is already installed on your computer: 1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Click Start and then click All Programs. 2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Look [&hellip;]","og_url":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/","og_site_name":"Microsoft Security Blog","article_published_time":"2007-09-11T17:32:00+00:00","article_modified_time":"2023-05-16T06:03:35+00:00","og_image":[{"width":512,"height":512,"url":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-content\/uploads\/2018\/08\/cropped-microsoft_logo_element.png","type":"image\/png"}],"author":"Eve Blakemore","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Eve Blakemore","Est. reading time":"<1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/#article","isPartOf":{"@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/"},"author":[{"@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/author\/eveblakemore\/","@type":"Person","@name":"Eve Blakemore"}],"headline":"How to tell if Windows Defender is installed on your computer","datePublished":"2007-09-11T17:32:00+00:00","dateModified":"2023-05-16T06:03:35+00:00","mainEntityOfPage":{"@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/"},"wordCount":97,"publisher":{"@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/","url":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/","name":"How to tell if Windows Defender is installed on your computer | Microsoft Security Blog","isPartOf":{"@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#website"},"datePublished":"2007-09-11T17:32:00+00:00","dateModified":"2023-05-16T06:03:35+00:00","breadcrumb":{"@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2007\/09\/11\/how-to-tell-if-windows-defender-is-installed-on-your-computer\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/"},{"@type":"ListItem","position":2,"name":"How to tell if Windows Defender is installed on your computer"}]},{"@type":"WebSite","@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#website","url":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/","name":"Microsoft Security Blog","description":"Expert coverage of cybersecurity topics","publisher":{"@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#organization","name":"Microsoft Security Blog","url":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-content\/uploads\/2018\/08\/cropped-cropped-microsoft_logo_element.png","contentUrl":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-content\/uploads\/2018\/08\/cropped-cropped-microsoft_logo_element.png","width":512,"height":512,"caption":"Microsoft Security Blog"},"image":{"@id":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/#\/schema\/logo\/image\/"}}]}},"msxcm_display_generated_audio":false,"distributor_meta":false,"distributor_terms":false,"distributor_media":false,"distributor_original_site_name":"Microsoft Security Blog","distributor_original_site_url":"https:\/\/www.microsoft.com\/en-us\/security\/blog","push-errors":false,"_links":{"self":[{"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/posts\/1661"}],"collection":[{"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/users\/61"}],"replies":[{"embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/comments?post=1661"}],"version-history":[{"count":0,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/posts\/1661\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/media?parent=1661"}],"wp:term":[{"taxonomy":"content-type","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/content-type?post=1661"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/topic?post=1661"},{"taxonomy":"products","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/products?post=1661"},{"taxonomy":"threat-intelligence","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/threat-intelligence?post=1661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/tags?post=1661"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/wp-json\/wp\/v2\/coauthors?post=1661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}