Windows 10 release date The Windows 10 release date had been set for 30 August in the US. It will be available for a price of US$ 119.99 for home version and US$199.99 for Windows 10 Pro. However, it will be available for download from 29 July. Also read: Windows 10 Release Date: Microsoft Planning New App To Install Office How to upgrade to Windows 10 Now that Microsoft is sending out invites to current users to download the new version of the operating system, here is how you can do it: