1. This kind of computer is usually placed on the desktop. If not, please look here at the beginning, click the right mouse button and click Manage to open a dialog box, as shown below:

2. The computer management dialog box pops up, and select Disk Management, as shown in the following figure:

3. Select drive C, right click and a dialog box pops up. Select the compressed volume as follows.

4. In the pop-up dialog box, enter the disk size to be divided, as shown in the figure below.

5. A new disk appears. Finally, right-click the new disk to create a new disk.