How to run QQ For Mac smoothly on MacOS is as follows:

Apple computers overheat because the CPU usage remains high (around 103%). Some crashes are also due to this reason. In the past, as soon as I opened QQ for mac, I would see the CPU rising to 78 degrees. Now it has been half an hour, and it is fine. Here's how:

It is said that it is because the sound file encoding that comes with QQ conflicts with QuickTime. You can change the sound yourself to overwrite the original one. Right-click (or Ctrl+left-click) on QQ.app and select "Show Package Contents". Find Contents》》Resources》》msg.wav and delete it. Well, running QQ on Apple computers is much smoother!

If your MAC also has these problems due to using QQ for Mac Preview 2, then try this method, it may make your computer run more smoothly.