This article teaches you how to increase or reduce the memory size in BlueStacks 4 or newer so that you will have a better experience when playing games.
1. Click on the gear icon and select “Settings” from the drop-down menu.
2. Select “Engine” from the left-hand menu.
3. Now you can easily adjust the memory size used by BlueStacks.
Finally, click on the “Restart Now” button. Your changes will be applied on the next launch. That’s all. Have nice games!