Capping your FPS using Afterburner is easy (MSI Afterburner/ RIva Tuner)
https://www.youtube.com/watch?v=NVwd-ArI33k
Hovering over that icon should show you the RivaTuner version, and right-clicking will open a context menu that reveals “Show,” which will reveal the main window. From the main window, click the “Global” profile and set a framerate limit of your choice, ideally matching your monitor’s framerate.