2. The easiest way is to clean it with software. If it comes manually, it is easy to delete the wrong file and cause the system to crash. It's a little dangerous. It is best to clean it with recommended software. Using 360 security guards, it's not bad. Of course, you can also use other software to see your personal preferences. Open 360 Security Guard and click "Computer Cleaning".
3. Go to this page and click Scan to scan all junk files on your computer, such as cache.
4. After scanning, you can see the files that can be cleaned. If you don't want to clean up, you can remove the ditch, or select the ditch you want to clean up and click "one-click cleaning".
5. See what C disk looks like after cleaning. I don't seem to have cleaned much. Of course, it's just simple daily cleaning. If you want to lose weight, you need to use manual operation. Because some compressed files, 360 can't be identified as junk files, so it is necessary to clean some manually.
6. On the page after the above operation, you can see several blue words in the lower right corner: system slimming, looking for large files. First enter the big file cleaning. Click: "Find Large Files"
7. Enter the page, check drive C and scan its large files.
8. At this time, you can see the big circle on the right and the proportion of each gear. Click on the circle, and you will see large and small files arranged on the left, and delete those that are not selected. Be careful when deleting them. Some files are data files of a certain software, so be careful when using them. Try to compress files and delete video files.
9. After deleting the big file, let's take a look at what the state of drive C is. The horizontal bar finally turned blue again. This is just to clean up some files on drive C. If necessary, you can move all the installed software to drive D.