{"id":1793,"date":"2012-04-30T09:15:43","date_gmt":"2012-04-30T16:15:43","guid":{"rendered":"https:\/\/mmman.itgroove.net\/2012\/04\/powershell-powertip-how-to-get-the-windows-product-key\/"},"modified":"2023-02-24T21:47:04","modified_gmt":"2023-02-24T21:47:04","slug":"powershell-powertip-how-to-get-the-windows-product-key","status":"publish","type":"post","link":"https:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/","title":{"rendered":"PowerShell PowerTip \u2013 How to get the Windows Product Key"},"content":{"rendered":"

This is copied from a daily email I get from powershell.com<\/p>\n

Getting Windows Product Key<\/h4>\n

Ever wanted to read out the Windows license key? In the Windows Registry, this key is present, but it is stored as a digital ID. To convert it back to the license key used to originally license the product, try this function. It uses some serious math:<\/p>\n

function<\/font><\/font><\/span> <\/span>Get-ProductKey<\/font><\/span><\/font> {<\/font><\/span><\/font>  
    <\/font><\/font><\/span>$map<\/font><\/font><\/span>=<\/font><\/span><\/font>"BCDFGHJKMPQRTVWXY2346789"<\/font><\/span><\/font>
    <\/font><\/font><\/span>$value<\/font><\/font><\/span> <\/span>=<\/font><\/span> (<\/span>get-itemproperty<\/font><\/span> <\/span>"HKLM:SOFTWAREMicrosoftWindows NTCurrentVersion"<\/font><\/span>).<\/span>digitalproductid<\/font><\/span><\/font>[0x34..0x42]<\/font><\/span><\/font>
    <\/font><\/font><\/span>$ProductKey<\/font><\/font><\/span> <\/span>=<\/font><\/span> <\/span><\/font>""<\/font><\/span><\/font>
    <\/font><\/font><\/span>for<\/font><\/font><\/span> (<\/span>$i<\/font><\/span> <\/span>=<\/font><\/span> 24<\/span>;<\/font><\/span> <\/span>$i<\/font><\/span> <\/span>-ge<\/font><\/span> 0<\/span>;<\/font><\/span> <\/span>$i<\/font><\/span>—<\/font><\/span><\/font><\/font>) {<\/font><\/font>
<\/span>      <\/font><\/font><\/span>$r<\/font><\/font><\/span> <\/span>=<\/font><\/span><\/font><\/font> 0<\/font><\/font>
<\/span>      <\/font><\/font><\/span>for<\/font><\/font><\/span> (<\/span>$j<\/font><\/span> <\/span>=<\/font><\/span> 14<\/span>;<\/font><\/span> <\/span>$j<\/font><\/span> <\/span>-ge<\/font><\/span> 0<\/span>;<\/font><\/span> <\/span>$j<\/font><\/span>—<\/font><\/span><\/font><\/font>) {<\/font><\/font>
<\/span>        <\/font><\/font><\/span>$r<\/font><\/font><\/span> <\/span>=<\/font><\/span> (<\/span>$r<\/font><\/span> <\/span>*<\/font><\/span> 256) <\/span>-bxor<\/font><\/span> <\/span>$value<\/font><\/span>[<\/span>$j<\/font><\/span><\/font><\/font>]<\/font><\/font>
<\/span>        <\/font><\/font><\/span>$value<\/font><\/font><\/span>[<\/span>$j<\/font><\/span>] <\/span>=<\/font><\/span> [<\/span>math<\/font><\/span>]::<\/span>Floor<\/font><\/span>([<\/span>double<\/font><\/span>](<\/span>$r<\/font><\/span>\/<\/font><\/span><\/font><\/font>24))<\/font><\/font>
<\/span>        <\/font><\/font><\/span>$r<\/font><\/font><\/span> <\/span>=<\/font><\/span> <\/span>$r<\/font><\/span> <\/span>%<\/font><\/span><\/font><\/font> 24<\/font><\/font>
<\/span>      <\/font><\/font><\/span>}<\/font><\/font>
<\/span>      <\/font><\/font><\/span>$ProductKey<\/font><\/font><\/span> <\/span>=<\/font><\/span> <\/span>$map<\/font><\/span>[<\/span>$r<\/font><\/span>] <\/span>+<\/font><\/span> <\/span><\/font>$ProductKey<\/font><\/span><\/font>
      <\/font><\/font><\/span>if<\/font><\/font><\/span> ((<\/span>$i<\/font><\/span> <\/span>%<\/font><\/span> 5) <\/span>-eq<\/font><\/span> 0 <\/span>-and<\/font><\/span> <\/span>$i<\/font><\/span> <\/span>-ne<\/font><\/span><\/font><\/font> 0) {<\/font><\/font>
<\/span>        <\/font><\/font><\/span>$ProductKey<\/font><\/font><\/span> <\/span>=<\/font><\/span> <\/span>"-"<\/font><\/span> <\/span>+<\/font><\/span> <\/span><\/font>$ProductKey<\/font><\/span><\/font>
      <\/font><\/font><\/span>}<\/font><\/font>
<\/span>    <\/font><\/font><\/span>}<\/font><\/font>
<\/span>    <\/font><\/font><\/span>$ProductKey<\/font><\/font><\/span>
<\/font>} <\/font><\/span><\/font><\/p>\n

 <\/p>\n

http:\/\/powershell.com\/cs\/blogs\/tips\/archive\/2012\/04\/30\/getting-windows-product-key.aspx<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

This is copied from a daily email I get from powershell.com Getting Windows Product Key Ever wanted to read out the Windows license key? In the Windows Registry, this key is present, but it is stored as a digital ID. To convert it back to the license key used to originally license the product, try … <\/a><\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[24,31,33],"tags":[],"acf":[],"yoast_head":"\nPowerShell PowerTip \u2013 How to get the Windows Product Key - Archive<\/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:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PowerShell PowerTip \u2013 How to get the Windows Product Key - Archive\" \/>\n<meta property=\"og:description\" content=\"This is copied from a daily email I get from powershell.com Getting Windows Product Key Ever wanted to read out the Windows license key? In the Windows Registry, this key is present, but it is stored as a digital ID. To convert it back to the license key used to originally license the product, try …\" \/>\n<meta property=\"og:url\" content=\"https:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/\" \/>\n<meta property=\"og:site_name\" content=\"Archive\" \/>\n<meta property=\"article:published_time\" content=\"2012-04-30T16:15:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-24T21:47:04+00:00\" \/>\n<meta name=\"author\" content=\"Colin Phillips (Alumni)\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Colin Phillips (Alumni)\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/\",\"url\":\"https:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/\",\"name\":\"PowerShell PowerTip \u2013 How to get the Windows Product Key - Archive\",\"isPartOf\":{\"@id\":\"https:\/\/regroove.ca\/archive\/#website\"},\"datePublished\":\"2012-04-30T16:15:43+00:00\",\"dateModified\":\"2023-02-24T21:47:04+00:00\",\"author\":{\"@id\":\"https:\/\/regroove.ca\/archive\/#\/schema\/person\/adeb0df1cc7a862160be620ca7eace1b\"},\"breadcrumb\":{\"@id\":\"https:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Blog Archive\",\"item\":\"https:\/\/regroove.ca\/archive\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PowerShell PowerTip \u2013 How to get the Windows Product Key\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/regroove.ca\/archive\/#website\",\"url\":\"https:\/\/regroove.ca\/archive\/\",\"name\":\"Archive\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/regroove.ca\/archive\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/regroove.ca\/archive\/#\/schema\/person\/adeb0df1cc7a862160be620ca7eace1b\",\"name\":\"Colin Phillips (Alumni)\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/regroove.ca\/archive\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/14eeab0d377e9630e0983d9c08911979?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/14eeab0d377e9630e0983d9c08911979?s=96&d=mm&r=g\",\"caption\":\"Colin Phillips (Alumni)\"},\"url\":\"https:\/\/regroove.ca\/archive\/author\/cphillips\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PowerShell PowerTip \u2013 How to get the Windows Product Key - Archive","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:\/\/regroove.ca\/archive\/2012\/04\/30\/powershell-powertip-how-to-get-the-windows-product-key\/","og_locale":"en_US","og_type":"article","og_title":"PowerShell PowerTip \u2013 How to get the Windows Product Key - Archive","og_description":"This is copied from a daily email I get from powershell.com Getting Windows Product Key Ever wanted to read out the Windows license key? 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