Started to slow down the game, why?

Question

Computers

Hello everyone, I have this problem. I put in a new processor and power supply, but the cooler remained the same.
At first, when starting programs, the kule made a very loud noise and recently stopped.
Did I blow my processor?

Answer 1

Yes, hardly.
But the cooler is still worth repairing or replacing.
And games slow down due to throttling of an overheated processor.

Answer 2

On a new Windows, physical memory is 60 percent loaded, although no program is open