Windows 11, like its predecessors, treats CPU affinity as a temporary suggestion, not a rule. By default, the operating system’s scheduler handles core distribution dynamically. But what if you have a specific need? Perhaps you’re running an old game that crashes on multiple cores, or a real-time audio application that needs a dedicated core to avoid pops and crackles.
We’ve all been there. You launch a demanding game or a legacy piece of software, open Task Manager, right-click the process, and click "Set Affinity." You carefully uncheck "CPU 0" to balance the load, click OK, and smile. windows 11 set cpu affinity permanently
Then you restart the application, and poof —your settings are gone. Windows 11, like its predecessors, treats CPU affinity