Here's how you can control which CPU is used by Windows applications on your system. 1. Right click on the taskbar and go to Task Manager. 2. Go to the Details tab. 3. Find the application process in the list. 4. Right click the application process and select Set Affinity in the menu. 5. A menu will appear that will let you select which processor(s) you want to allow that application to use.
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How To Force Windows Applications to Use a Specific CPU | How To Geek