CPU Pinning Windows 10

Windows 10 gives you the ability to choose how many cores you want to assign to a program through a procedure known as CPU pinning. You can, for example, make a program run on 2 cores instead of using the entire CPU. CPU pinningcomes in handy when you have to deal with programs with an unnecessarily high CPU usage. 

Warning: The modification of this parameter can cause the program to behave abnormally or crash. You may also experience a drop in performance for CPU intensive tasks (rendering, data compression, video or audio encoding, and calculations). Do it at your own risk. 

How To Force a Process to Run on Specific Processor Cores in Windows 10

The first step is to launch to program and then we will need to locate its main process in the Task Manager. Press [Alt] + [CTRL] + [Delete] to open the Task Manager. Go to the Processes tab and then navigate to the desired program. Right-click on the entry > Go to Details to locate the main process (selected by default): 
Right-click on the program_name.exe > Set Affinity: 
N.B. If the Set Affinity option is grayed out, then it's simply something that wasn't meant to be changed. 

Clear the All processors checkbox, choose the cores you want to assign to the selected program and then click on OK: 

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