If you want to setup your computer system again you need to have the licenses an serial numbers at hand for all the software programs that you have purchased and registered. This does include the Windows product key but also other serial numbers for applications like Nero, Office, VMWare and pretty much every other application.
Instead of searching for the keys in your emails, manuals and recipes you could use another approach. License Crawler is a sweet little application that scans the Windows Registry for Windows product keys and other serial numbers and licenses.
If you want to find the license or find the serial number for a product that you have installed on your system then License Crawler could be your best bet. It is also the optimal solution before installing software on a system.
Say you use Nero regularly and it is causing problems lately. Before uninstalling and installing Nero you should run License Crawler to find the serial of Nero and write it down.

The advantage of License Crawler is its diversity compared to other products that can only reveal Windows product keys. As long as the software is storing its license key in the Registry it will be discovered by the software program.
License Crawler is compatible with most versions of Windows starting with Windows 95 including Windows Vista. It is a portable application that can be run from any location and would be a perfect fit for an USB stick: Thinking tech support here asking the clients to find the serial or license key could end up in frustration. Starting License Crawler instead could reveal it without having to interact with the client at all.
The homepage of License Crawler uses the German language but the software program itself uses English. This is a direct link to the application. Just download, unpack and start.
The terms of use have to be accepted at the beginning. A click on the Start Search button crawls the Windows Registry trying to find serial and license codes. It is possible to change the Registry Hive or search them all but the best results are usually achieved with the default settings.
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14 Responses to “Windows Product Key And License Finder”
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[...] | ghacks Tags: computer, freeware, portabile, programma gratuito, ricerca, scanner, seriali, software, [...]
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[...] die Frage nach Seriennummern und Lizensen für benötigte Software. Dies schließt natürlich den Windows Produkt Key mit ein aber auch andere Software wie Nero, Microsoft Office, VMWare und praktisch jede welche [...]
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[...] Via Ghacks [...]
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[...] Key Revealer (via Raymond) is for gamers what the license finder is for tech support guys. It is an indispensable tool that scans the computer for game keys and [...]
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Thanks – this looks very useful.
Hmm weird, it gave me a different serial for Vista than the one I used to install it i.e. the one on the sticker
jaz then you probably got an OEM version.
Oh right, I have a Dell one. Would the key found by this program work when reinstalling?
Jaz companies like Dell usually use those keys, you should use the one on the sticker when reinstalling because that’s the one registered to you.
Amazing!!!
Cool!
http://www.pcaltop.com/2008/08/27/trovare-tutte-le-licenze-in-uso-sul-tuo-pc-grazie-a-license-crawler/
New version 0.0.36 have network support. Admin rights needed.
pls send windows license information and its prices soonest.