{"id":983,"date":"2006-02-27T23:36:00","date_gmt":"2006-02-27T18:06:00","guid":{"rendered":"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/27\/download-best-free-antivirus-softwares\/"},"modified":"2026-10-15T14:08:36","modified_gmt":"2026-10-15T08:38:36","slug":"download-best-free-antivirus-softwares","status":"publish","type":"post","link":"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/","title":{"rendered":"Best Free Antivirus Software for Windows (2026)"},"content":{"rendered":"<p>Back in 2006 a geek friend, scared by the Kamasutra and Leap-A virus outbreaks, called me because his Norton subscription had expired and he didn&#8217;t want to pay a yearly fee. So I went looking for the <strong>best free antivirus<\/strong> software and was surprised by the range available. This 2026 update lists the free options worth using today.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-67213\" src=\"https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-free-antivirus-2026-1024x538.webp\" alt=\"Best free antivirus software\" width=\"1024\" height=\"538\" srcset=\"https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-free-antivirus-2026-1024x538.webp 1024w, https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-free-antivirus-2026-300x158.webp 300w, https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-free-antivirus-2026-150x79.webp 150w, https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-free-antivirus-2026-768x403.webp 768w, https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-free-antivirus-2026.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p><strong>Quick answer:<\/strong> On Windows 10 and 11, the built-in Microsoft Defender Antivirus already gives solid free protection, so many people need nothing else. If you want a separate free antivirus, Bitdefender Antivirus Free, Avast Free Antivirus, AVG AntiVirus Free and Avira Free Security are the well-known choices. Only download them from the official websites.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6ad1f7556bfb9\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #1a202c;color:#1a202c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #1a202c;color:#1a202c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6ad1f7556bfb9\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#Best_free_antivirus_software_for_Windows\" >Best free antivirus software for Windows<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#Do_you_still_need_a_free_antivirus_in_2026\" >Do you still need a free antivirus in 2026?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#How_to_stay_safe_beyond_antivirus\" >How to stay safe beyond antivirus<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#What_about_Mac_and_Android\" >What about Mac and Android?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#Is_Microsoft_Defender_good_enough\" >Is Microsoft Defender good enough?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#Are_free_antivirus_programs_safe\" >Are free antivirus programs safe?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#Can_I_use_two_antivirus_programs_together\" >Can I use two antivirus programs together?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/02\/download-best-free-antivirus-softwares\/#What_happened_to_AVG_Free_from_Grisoft\" >What happened to AVG Free from Grisoft?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Best_free_antivirus_software_for_Windows\"><\/span>Best free antivirus software for Windows<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong><a href=\"https:\/\/www.microsoft.com\/en-us\/windows\/comprehensive-security\" target=\"_blank\" rel=\"noopener\">Microsoft Defender Antivirus<\/a><\/strong>: built into Windows 10 and 11, updated through Windows Update and turned on by default when no other antivirus is installed. Find it in the Windows Security app.<\/li>\n<li><strong><a href=\"https:\/\/www.bitdefender.com\/\" target=\"_blank\" rel=\"noopener\">Bitdefender Antivirus Free<\/a><\/strong>: a lightweight free scanner from a major security company with few settings to manage.<\/li>\n<li><strong><a href=\"https:\/\/www.avast.com\/\" target=\"_blank\" rel=\"noopener\">Avast Free Antivirus<\/a><\/strong>: one of my two picks back in 2006 (then called Avast Home Edition), and still offered free for home use.<\/li>\n<li><strong><a href=\"https:\/\/www.avg.com\/\" target=\"_blank\" rel=\"noopener\">AVG AntiVirus Free<\/a><\/strong>: the other 2006 favourite (then AVG Free from Grisoft). AVG and Avast are now part of the same company.<\/li>\n<li><strong><a href=\"https:\/\/www.avira.com\/\" target=\"_blank\" rel=\"noopener\">Avira Free Security<\/a><\/strong>: the successor to AntiVir Personal Edition, which I also mentioned in the original post.<\/li>\n<\/ul>\n<p>Free versions usually show prompts to upgrade to paid plans. That&#8217;s the trade-off for free protection; decline extras you don&#8217;t need during installation.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Do_you_still_need_a_free_antivirus_in_2026\"><\/span>Do you still need a free antivirus in 2026?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>For most home users on an up-to-date Windows PC, Microsoft Defender is enough when combined with safe habits. A third-party free antivirus can make sense if you prefer its interface or extra features. Don&#8217;t run two real-time antivirus programs at once, as they can conflict and slow your PC.<\/p>\n<p>Paid suites such as Norton add features like a VPN, password manager and identity monitoring. If you&#8217;re curious, see our guides to the <a href=\"https:\/\/www.quickonlinetips.com\/archives\/2012\/05\/free-download-norton-antivirus-2013\/\">Norton Antivirus free trial<\/a> and <a href=\"https:\/\/www.quickonlinetips.com\/archives\/2014\/01\/free-update-norton-anitvirus-internet-security-software\/\">updating Norton for free<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_stay_safe_beyond_antivirus\"><\/span>How to stay safe beyond antivirus<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><strong>Keep Windows, your browser and apps updated.<\/strong> Most attacks use known, already-fixed flaws.<\/li>\n<li><strong>Download software only from official sites<\/strong> or the Microsoft Store.<\/li>\n<li><strong>Be wary of email attachments and links<\/strong>, even from people you know.<\/li>\n<li><strong>Use a password manager and two-step verification<\/strong> on important accounts.<\/li>\n<li><strong>Back up important files<\/strong> to an external drive or cloud storage so ransomware can&#8217;t hold them hostage.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"What_about_Mac_and_Android\"><\/span>What about Mac and Android?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>macOS includes built-in malware protection, and Android has Google Play Protect, which scans apps. For both, the safest approach is to install apps only from the official app stores and keep the system updated.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Is_Microsoft_Defender_good_enough\"><\/span>Is Microsoft Defender good enough?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>For most home users, yes. It is built into Windows, free and updated automatically.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Are_free_antivirus_programs_safe\"><\/span>Are free antivirus programs safe?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The well-known ones from established security companies are, if you download them from the official site.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_I_use_two_antivirus_programs_together\"><\/span>Can I use two antivirus programs together?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Don&#8217;t run two real-time scanners at once. Windows turns off Defender&#8217;s real-time protection when you install another antivirus.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_happened_to_AVG_Free_from_Grisoft\"><\/span>What happened to AVG Free from Grisoft?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Grisoft renamed itself AVG Technologies, and AVG later became part of the same company as Avast. AVG AntiVirus Free is still available.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Back in 2006 a geek friend, scared by the Kamasutra and Leap-A virus outbreaks, called me because his Norton subscription&#8230;<\/p>\n","protected":false},"author":4,"featured_media":67213,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-983","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security"],"_links":{"self":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/posts\/983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/comments?post=983"}],"version-history":[{"count":1,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/posts\/983\/revisions"}],"predecessor-version":[{"id":67214,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/posts\/983\/revisions\/67214"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/media\/67213"}],"wp:attachment":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/media?parent=983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/categories?post=983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/tags?post=983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}