Assigning more than half your actual cores can cause system-wide lag. 1024MB - 1536MB
Manually increase your Windows paging file size (Virtual Memory) to help the system handle the low physical RAM.
Set your Windows Power Plan to High Performance to ensure your CPU isn't throttled.
Generally more stable on older PCs without dedicated graphics cards. 1024x768 or 800x600
Use the built-in "Clean Up" tool in the MEmu sidebar to flush cached data during long gaming sessions.
Lowering resolution is the fastest way to gain FPS on low-end hardware. 160 Lower DPI reduces the rendering load. Frame Rate 30 FPS
Before opening the emulator, prepare your Windows environment to dedicate maximum resources to the task.