How to make Partiton of Hardrive Without Format

1. Goto Run (Window + R).

2. Enter "diskmgmt.msc" for open command prompt.

3. right-click the volume that you want to shrink, and then click Shrink Volume.

4. enter the amount of space by which to shrink the disk.

5. Click Shrink.

6. Right-click an unallocated or free area.

7. Specify Volume Size.

8. Click Next.

9. Assign Drive Letter.

10. Click Next.

11. choose Format This Volume.

12. Click Next.

13. Click Finish.

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