What should I do if the C drive is getting bigger after upgrading Win8.1?

  
1. First enter the computer (this computer), then click the system disk (usually C drive) with the mouse, and then select "Attributes", as shown below:

2, choose us to click “Disk Cleanup”, as shown below:

3, then click “Clean up system files”, as shown below:

4, finally check "> ; Previous Windows installation & rdquo; file, and then click OK at the bottom, and then wait for the cleanup to complete, as shown below:

The above operation can be deleted after Win8 upgrade Win8.1 One of the biggest junk files, do you understand?

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