In this blog am gonna give you the "Serial key of Windows of any version". It does't matter which windows version you are using, mostly Xp, vista and windows 7 are in touch will all users and this serial key will work will any of these version and also the old version!!! I have tried it on my windows also and it worked for me will life time subscription key!!!
Windows Serial Key: - TRR36-PDTHB-9XBHC-PPYQK-GBPKQ
NOTE: - This will work on any Windows platform, If not let me know that