Microsoft seems to be (mostly) following Apple’s OSX strategy by making its own upcoming OS “Windows 10” a free upgrade. According to Thurrott.com, “Microsoft says it will deliver the final version of Windows 10 to 190 countries sometime between June 21 and September 23, 2015.” The update will be available to existing Windows 7, Windows 8.1 and Windows Phone 8.1 customers.

Here is how users will be able to get this free upgrade:

More information from Microsoft regarding Windows 10 can be found here.