You can activate any Windows edition regardless of what is currently installed on your PC. About 5 minutes at most.
You can also activate Windows Server or Office.
Open source code, 100% secure, no risk of key revocation. I think Microsoft is...
Nakakamiss naman ang Sun. Dati may niloload kami yung 100 na 3 days unli internet sa broadband stick hahaha one to sawang browsing until nagka data cap ahhaha