Every so often I see Speed Up Your PC programs that offer a RAM

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Editorial Team

Asked: June 6, 20262026-06-06T12:32:38+00:00 2026-06-06T12:32:38+00:00

Every so often I see “Speed Up Your PC” programs that offer a RAM cleaning feature.

They claim to defrag and free up unused memory like a garbage collector or something… not sure.

Here are some examples:

I’m interested in learning about the Win32 C API’s that they are using, if anyone has knowledge.

I’ve heard about the ProcessIdleTasks() in advapi32.dll trick, but doesn’t look too legit looking at the documentation on that function.

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Editorial Team · Answer 1 · 2026-06-06T12:32:42+00:00

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If you really insist on doing this, you could enumerate processes, open a handle to each, and call SetProcessWorkingSetSize(process_handle, -1, -1); for each (but you really don’t want to do this).

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