Most people that had a valid copy of [[Windows 7]], [[Windows 8|8]] or [[Windows 8.1|8.1]] were eligible for a free upgrade for one-year following the release date, July 2016,<ref name="techradar.com">http://www.techradar.com/us/news/software/operating-systems/microsoft-confirms-there-will-be-no-windows-11-1293309</ref> although surface models were not eligible for the upgrade. Enterprise editions of [[Windows 7]] and [[Windows 8|8]] upgrades to Windows 10 were also not free. Now that this window of time has closed, Microsoft intends for all of its customers to purchase licenses. | Most people that had a valid copy of [[Windows 7]], [[Windows 8|8]] or [[Windows 8.1|8.1]] were eligible for a free upgrade for one-year following the release date, July 2016,<ref name="techradar.com">http://www.techradar.com/us/news/software/operating-systems/microsoft-confirms-there-will-be-no-windows-11-1293309</ref> although surface models were not eligible for the upgrade. Enterprise editions of [[Windows 7]] and [[Windows 8|8]] upgrades to Windows 10 were also not free. Now that this window of time has closed, Microsoft intends for all of its customers to purchase licenses. |