It's all just drag and drop. If you aren't sure which monitor is which, press the "Identify" button underneath the icons, and Windows 11 will show the numbers in the corresponding displays. Right below the monitor icons and next to the "Identify" button, you'll see a drop down menu. Click it, and you'll see several options including: Duplicate
Then, right-click on CRU.exe, select "Run as Administrator," and wait for the app to launch. Use the drop-down at the top of the screen to select which display you want to overclock. From here, click "Add" next to the "Standard Resolutions" box. In the window that appears enter your desired resolution and refresh rate.
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