First, make use of the system's own functions to optimize.

1, right-click drive C-Properties.

2. Click Open, and then click Disk Cleanup.

3. Check the scanning results and clean them up.

Second, the startup item settings

1, click Start-Run.

2. Enter MSConfig-OK during operation.

3. Click Start to uncheck all options except antivirus and input method-OK.

4. Restart the computer.

Third, the use of third-party software, such as: 360 security guards.

1, open the pilot version of 360 security guards.

2. Click on the optimization and acceleration, system cleaning, system repair and other functions on the live panel.

3. Click More in the lower right corner of the panel.

4. Add plug-in C disk movement and system disk slimming, and then optimize C disk with two functions.