How to Allocate CPU Cores to a Program on Windows 10 Manually

Maximizing Program Performance in Windows

Are you looking to supercharge the performance of a specific application on your Windows 10 system? Adjusting the allocation of CPU cores can help ensure your program runs more efficiently.

Begin by opening Task Manager with a simultaneous press of the “Ctrl”, “Shift,” and “Esc” keys. Navigate to the “Details” tab where your applications are listed. Once there, right-click on the application that requires adjustment and select “Set Affinity” from the context menu. Here you can specify which CPU cores the application should use, giving it the processing boost it might need.

Remember to consider the needs of your application when designating CPU cores, as allocating too few may hinder performance. It’s also important to note that these settings revert to default once the application is closed or the system restarts.

Adapting to recent advancements, ensure that any references to outdated operating systems, like Windows 8, are updated to Windows 10 or the latest available version for accuracy.


Concluding, we see that Windows 10 provides a flexible and hands-on approach to managing system resources that can enhance the performance of individual applications. By customizing CPU core allocation, you can tailor your system to meet the demands of resource-intensive programs without sacrificing overall stability.


Q: How do I ensure changes to CPU core allocation are permanent?

A: Changes made through ‘Set Affinity’ are temporary and reset after the program closes or the PC restarts. For permanent allocation, you would need to script the changes or adjust program settings if available.

Q: Can allocating more CPU cores to a program negatively affect my PC’s performance?

A: Allocating too many cores to one program can starve other processes, potentially diminishing overall system performance. It’s essential to find a balance based on your usage patterns.

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Editorial Staff
Editorial Staff
The Bollyinside editorial staff is made up of tech experts with more than 10 years of experience Led by Sumit Chauhan. We started in 2014 and now Bollyinside is a leading tech resource, offering everything from product reviews and tech guides to marketing tips. Think of us as your go-to tech encyclopedia!


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