Witcher 3 is an amazing game, no doubt, but the amazing game comes with system requirements that can bring your PC to its knees, specially if you are running a PC that doesn’t have a powerful processor. Considering how the game takes an equal toll on both the GPU and the CPU, the CPU usage some time reaches to 100 percent, means if you are handling other tasks at the same time, you are going to run into some troubles.
We have discovered a short guide that helps overcome the problem by limiting Witcher 3 to use only 90 percent of the processor, leaving the other 10 for tasks. Do keep in mind that this is only if you’re facing such issue, the guide won’t be working on high end processors or processors which don’t reach 100.
The problem started after the 1.07 update in which the processors that had 2 or 3 threads started having lag, however, the lag wasn’t present on processors with 4 or more than 4 threads. It is most probably because the game was well optimised for the latter.
Luckily, there’s a utility that goes by the name Process Tamer, using this program won’t lower your framerate, however, it’ll put a limit on the amount of CPU that a process can use. You can find all the details and download links in the original source.