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, Select us to click "Disk Cleanup", as shown below:
3, then click “Clean up system files”, as shown below:
4, the last check Select the "Previous Windows installation" file, and then click OK at the bottom, then wait for the cleanup to complete, as shown below:
Through the above operation, you can delete Win8 and upgrade Win8.1. After that, the biggest junk file produced, have you read it?
1. Place the mouse on the right side of the clock area in the lower right corner for a moment, and c
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