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(Feel free to skip ahead if you just want to see what ... Android made its official public debut in 2008 with Android 1.0 — a release so ancient it didn’t even have a cute codename.
The previous version of Windows, introduced in 2015. Tablet apps can run in a window just like desktop apps ... Windows 7 and 8.1 users were able to upgrade for free until July 29, 2016.