Method 2: Clean up computer garbage. Computers often clean up rubbish, delete useless things, reduce the burden on computers and make a thorough slimming of computers.
Method 3: Add virtual memory. Under Computer Advanced System Settings, select the Advanced tab, click Settings under the Performance check box, click the Advanced tab, click Change below, uncheck "Automatically manage paging file size of all drives", then select "Custom size" and fill in the text box according to your own needs.
Method 4: Shut down unnecessary processes. Open the task manager and close the software unrelated to the game.