I have some keys I need to sell

I have
Windows server 2012
Windows server 2008
Windows 10 pro
Windows 10
Windows 8 pro
Windows 8
Windows 7 ultimate
Windows 7 pro
Windows 7 enterprise (multi activation)

Can give a vouch copy, please ask

I gaurntee all keys will sucessfully activate, will replace any keys that don't work

For price please ask! I will offer cheapest price and high quality keys!