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How to Extend C Drive Space on Windows 10

Windows has a disk partitioning system where C drive generally stores all the system files and program installation files. Those who have smaller storage capacity or the ones who play heavy games know that someday or the other, the paucity of space in C drive pops up. And the storage issue with C drive has become significantly worse after Microsoft started pushing Windows updates that are cached and stored in the C drive for recovery purposes. In such a scenario, you don’t have many options other than increasing the C Drive space. However, the process is not straightforward. That’s why we bring you an in-depth guide on how to extend C Drive Space on Windows 10. So without further delay, let’s begin.

1 - Extend C Drive or System Partition in Windows 10 for Free

First of all, you can only extend the volume of C Drive if the nearest drive (which is D) is empty and unallocated. You can’t extend the C Drive storage from E or F or the next drive. So what you need to do is either move your D drive files to other drives like E or F and so on. In case, you don’t have available space on any of the drives then back up D Drive files to an external hard disk. Simply put, back up files from D drive and keep it empty because we are going to merge it with C drive.

1. Right-click on the Windows Start Menu and open “Disk Management”.

2. I am assuming that you have made a back up of all your files from D Drive. Now, right-click on D Drive and click on “Delete Volume”. It will format the partition and make it an unallocated partition.

3. Next, right-click on the C drive partition and select “Extend Volume”.

4. A pop-up window will open up. Keep clicking on “Next” and finally click on “Finish”.

5. Finally, your C Drive will be merged and storage space will be increased instantly. So this is how you can extend C drive space on Windows 10.


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