Enter the disk management of the system before 1. partition. There are two ways to access disk management. One is to enter disk management through computer properties. The second is to right-click the windows key (windows+X) and select Disk Management.

2. After entering the disk management, you can see the partition situation. Then select the disk to partition and right-click "Compress Volume".

3. Then the system will automatically query the compressed space, as shown in the figure.

4. Then select the size of space to be compressed. Click compress.

After a period of time, the space will be compressed. A free space will appear, as shown in the icon. This is just compressed space.

6. Then select a blank partition and right-click "New Simple Volume", as shown in the figure.

7. Enter the New Simple Volume Wizard, and then click Next here.

8. Then specify the size of the volume, and you can enter the desired size. Then click "Next".

9. For the newly created simple volume, select the drive letter.

10, and then select the disk format for the newly created simple volume. Generally speaking, "NTFS" is enough here.

1 1, and finally click Finish. Just a moment.