About fixing Intel HD Graphics 520

I succeeded to dual boot macOS Catalina 10.15.7 with Windows 10 on my laptop. But my HacBook is lagging and About this Mac says that it is only 7MB instead of 1536MB. May I ask for instructions about what I have to do to fix? I tried Inject Intel into the Clover bootloader options. Some people recommended me to modify the code of config.plist but I don’t know how. May I ask which program I have to use to open the file and how to modify the code which sections because I don’t understand. Thanks a lot for all help in advance!

submitted by /u/TheAppleSpot
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