Enable “Install from Unknown Sources” in your Android settings, then run the APK installer.
However, do not expect to play Skyrim or The Witcher 3 . Stick to the late 90s and very early 2000s. For that era, ExaGear + Wine 6.0 v3.2 is magical. exagear emulator wine 6.0 v3.2 download
Where to look: Reputable retro gaming forums (like PdaNet, 4PDA, or Reddit’s r/EmulationOnAndroid). Enable “Install from Unknown Sources” in your Android