How to clean up the memory of a desktop computer Open the properties dialog box of the disk to be cleaned, and click Disk Cleanup.

Open the Disk Cleanup dialog box, select the file to delete, and then click OK to clean up the disk memory.

You can also use the computer housekeeper to slim down the computer, scan the garbage, and then choose to remove the garbage.

? You can also defragment the disk through the disk defragmenter that comes with win7 to free up space memory.