While Microsoft is working on the next version of Windows, you can get your hands on the latest technical preview that’s available to anyone. You can sign up for this program, download the latest test version and install it on your computer or in a virtual machine. Here’s how to get Windows 10 and how to install it on your computer:
Signing up for the Windows Insider program
In order to download Windows 10 Technical Preview, you must sign up for the Windows Insider program. You need to have a Microsoft account for doing this.
Go to the Windows Insider website and click or tap the Get Started button. Sign in with your Microsoft account.