Sous le coude.
Via https://sebsauvage.net/links/?u87-pQ
The software Product Key Reader scans your computer for product keys of installed software and creates a list of it. You can save the list as backup.
Via https://korben.info/product-key-reader.html
ProduKey is a small utility that displays the ProductID and the CD-Key of Microsoft Office (Microsoft Office 2003, Microsoft Office 2007), Windows (Including Windows 8/7/Vista), Exchange Server, and SQL Server installed on your computer.
Sous le coude.
tl;dr
Choisir une licence opensource.
10 nouvelles photos libres de droits chaque jour.
Via http://korben.info/windows-8-8-1-comment-recuperer-la-cle-de-licence.html