Software & Apps Backup & Utilities 3 Best Paid-For Product Keyfinder Programs A List of the best commercial serial number and product keyfinder tools By Tim Fisher General Manager, VP, Lifewire.com Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire. our editorial process Facebook Twitter LinkedIn Tim Fisher Updated October 19, 2018 alengo / Getty Images Backup & Utilities Design Cryptocurrency MS Office Windows Linux Google Drive Apps File Types Backup & Utilities View More Tweet Share Email In addition to many free keyfinder programs, several commercial keyfinders are also available to help find your lost serial number or product key. A program's product key or serial number is usually located with the original DVD or CD. If you've lost this license key, you can often find it in the registry but it's not easy. This is what a keyfinder program does for you, automatically. Are These Better Than the Free Ones? Commercial product key finder programs are not necessarily better than the free options. If all you need is the product key for Windows or one or two other programs, then you might be just fine using one of the free keyfinder tools. Some of these premium keyfinder programs have extra features like the ability to find thousands of keys or look for keys on a different computer. However, if those are unnecessary for you then, by all means, try out a free one first to see if you can get everything you need without paying for one of these programs. Please read our Keyfinder Programs FAQ before you pay for any keyfinder program. 01 of 03 Recover Keys: Most Advanced What We Like Can check for keys on another hard drive or network computer Supports scanning for keys in a REG file Lots of advanced options Saving or copying the results out of the program is easy What We Don't Like Installation is required Costs more than other similar programs Recover Keys is an advanced keyfinder program that's easy to use, has plenty of advanced features, and finds keys for thousands of programs in addition to the Windows operating system. Finds Keys for Operating Systems: Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2000, and Windows Server 2016, 2012, 2008, Windows 2000 Finds Keys for Other Software: Microsoft Office 2010, Office 2007, Office 2003, Office XP, and thousands of non-Microsoft programs including many games and graphics applications Recover Keys is currently priced at $29.95 USD for a single license that works on one computer. Additional licenses can be had for a greater cost. The Recover Keys demo is free but, as you can see in this image, it doesn't show the full product key. Download Recovery Keys Demo 02 of 03 Product Key Explorer: Easiest to Use What We Like Scan for product keys is fast Several product key backup options are available Can scan computers on the network Many advanced options What We Don't Like Installation is required Manual scan for product keys is required Doesn't find the Windows XP key Cost is a bit high compared to other commercial keyfinder tools Product Key Explorer is another good commercial keyfinder tool. With just a few buttons, it's easy for anyone to use. Finds Keys for Operating Systems: Windows 8, Windows 7, Windows Vista, Windows 2000, and Windows Server 2008 and 2003 Finds Keys for Other Software: Most Microsoft Office programs, Adobe and Macromedia applications, and many other programs — over 8,000 in all. We tested Product Key Explorer using their demo version which restricts product key recovery to the first four characters. Product Key Explorer is currently priced at $29.50 USD. You can buy more than one license for an additional cost, up to 1,000 licenses. Download Product Key Explorer 03 of 03 KeyFinder Plus: Least Expensive What We Like Finds product keys from the running system or from a non-booting one Scan time is fast Updates are free Cost is low compared to other commercial keyfinders What We Don't Like Finds a limited number of product keys compared to competition Installation is required KeyFinder Plus is yet another commercial keyfinder tool that you might prefer considering that it's cheaper than the two above, can grab keys from a non-computer, and is fairly simple to understand. Finds Keys for Operating Systems: Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, and Windows Server 2016, 2012, 2008, 2003, and 2000 Finds Keys for Other Software: Microsoft Office 2013, 2010, 2007, 2003, XP, and 2000, plus SQL Server, Exchange Server, ISA Server, and several other programs, including many of Adobe's popular applications We tested Product Key Finder with their demo version which displays only the product ID and first few characters of the product key. Product Key Finder is currently priced at $17.95 USD. Download Key Finder Plus Important Keyfinder Information (Windows Product Keys) If your computer was purchased with Microsoft Windows pre-installed and you have not upgraded or reinstalled it yourself, a keyfinder may only find the generic product key that your PC manufacturer used to install Windows. This product key may not work when attempting to reinstall Windows. In this case, you must use the unique product key that is on the sticker attached to your computer. If you can't locate your product key sticker you'll need to request a new Windows product key from Microsoft.