JUST FOLLOW THE STEPS AND YOU WILL NEVER MISS.
1. Click on the start menu and type in the search box “DISK PARTITION”
2. A window will appear with title “disk management”.
3. Locate which drive you wish to partition
4. Right click on the selected drive you wish to partition and select “SHRINK VOLUME”
5. A menu will pop up showing: “total size before shrink”, size of available shrink”, “enter the amount of space to shrink” and “total size after shrink”
6. Select the “amount of space to shrink” and enter the desired size but it cannot exceed the total size of the disk
7. After entering the desired size, clink on the “SHRINK” tab/button to begin the process
8. You will see among the partitioned drives “UNALLOCATED”. That is the newly created partition
9 Right click on it and select “NEW SIMPLE VOLUME”
10. A “welcome to the new simple volume wizard” will appear. Click on the “NEXT” button
11. A “specify volume size” wizard will follow. Just click on the “NEXT” button
12. A “assign drive letter or path” wizard will follow and still click on the “NEXT” button. Don’t change the letter already assigned.
13. In the “format partition” wizard click on the “NEXT” button again to format the newly partitioned drive. In the “volume label” you can choose to change the name or maintain it. Please don’t uncheck anything in this window.
14. A “completing the new simple volume wizard” will appear. Click finish to complete the procedure.
THIS IS TO GIVE YOU A DETAILED STEP BY STEP APPROACH WITHOUT ANY HELP FROM ELSEWHERE.