Go Download Windows 8.1 Right Now

Microsoft has finally released Windows 8.1. You can go download it now, Start button and all.

How much will it set you back? Well, Windows 8.1 is available as a free upgrade for existing Windows 8 owners. Free! But if you're one of those people who has been holding off installing it, but are now tempted given the update, then you can snag a copy for $120—or $200 if you'd like the Professional Edition.

In return, you'll find a lot of little changes which make a big difference. And a Start button. What are you waiting for? Go download it.