Win8.1 correctly uses the method of defragmenting the disk function

1. First, right click on the start button, find the "Control Panel" function, and go to
2. Go to the Control Panel and find "Administrative Tools" and click enter.
3. Go to the management tool and find "Defragment and Optimize Drives".

4. After entering, the following window will pop up. Select the drive and click the “Analyze” button. After the analysis is complete, click the “Optimize” button to complete the defragmentation. As shown below:

5. Click the “Change Settings” button to enter the auto-optimized drive interface.
6. After clicking, the dialog box as shown below will pop up. Click the button below to change the optimization frequency. Click "Select" to select the drive to be optimized regularly

7. After entering, the window will appear, you can select the drive to be optimized regularly according to your needs