Yes, Windows 7 is still available. If you want a new PC and you also want Windows 7, you can probably get it. This is easiest for businesses, but even home users have ways to get Windows 7.
If you’re a home user, we wouldn’t recommend doing this. You’ll have to pay more and spend more time setting things up. Windows 8.1 isn’t as bad as Windows 8 was, and you can always install a start menu replacement.
-Buy a PC With Windows 7
-Find Your Old Boxed Copy of Windows 7
-Locate and Buy a Copy of Windows 7
-Use Downgrade Rights
-Take Advantage of Your Organization’s Volume Licensing Agreement