Disk Cleanup

• win+s, search for %temp%, enter delete
• C drive windows directory, the download folder under the softwaredistribution folder, select and delete all. Here are mainly updated files.
• Win+r Enter prefetch, select all to delete
• Remember to delete it from the recycle bin

space sniffer to visualize file size

The larger the element, the larger the file.

When using space sniffer, you should pay attention. If you are not sure when deleting a file, you can check it first, so as not to delete important files. Just download the portable.

Download address: https://www.fosshub.com/SpaceSniffer.html

refer to

Deep clean your computer