A feature of a computer or operating system that allows it to run programs written for a different system. Programs often run slower in compatibility mode. See emulator. THIS DEFINITION IS FOR ...
To run an old app or game on Windows 11, use your operating system's built-in compatibility mode. To use compatibility mode, right-click your app or game, click "Properties," open the "Compatibility" ...
An operational mode in Intel 64 and AMD64 CPUs that enables 32-bit applications to each use up to 4GB of RAM. Contrast with 32-bit Legacy Mode, in which all 32-bit apps share the same 4GB. See 32-bit ...
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