3 ms·

If you are on 8.0, upgrade, it's free in all the cases.

• gressquel 9y ago
  license is not an issue. I think I get it through msdna aswell as bizspark. But there were some incompatibiltiy issues, read my reply below.
• cryptarch 9y ago
  Not everyone wants to update to Windows 10. Windows 8.1 will receive extended support (e.g. security updates) until January 10, 2023.