Low diskspace. How to extend Disk C

In this guide we will explain what to do if you encounter problems with low disk space on the system partition. Before you resize volumes make sure disk C: is not filled with junk, obsolete or useless files. 

Extend disk C using Aomei Partition Assistant

Right-click the partition you want to shrink and select Resize Partition:

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Reduce the size and click OK:

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This operation will reduce the size of a non-system partition and leave an unallocated space before it.

Now right-click the system partition (Disk C:) and select Resize Partition:

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Expand the disk and press OK:

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Click on Apply button to apply the changes:

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Click Proceed to start repartitioning the disk:

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Add space to disk C using MiniTool Partition Wizard Free

Right-click the partition you want to take space from and select Move/Resize:

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Reduce the size and press OK:

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Then right-click the system volume (disk C:) and select Move/Resize:

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Expand the system disk and press OK:

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Press Apply:

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and Yes:

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This message means everything is done:

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Expand disk C: without third-party software

You can extend volume without using third-party apps. It is not so flexible but nevertheless you can perform basic operations. To expand a system partition you can delete another partition and add the free space to the first one.

1. Launch the explorer:

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2. Right-click This PC and select Manage:

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3. Go to Disk management.

4. Right-click the volume you wish to delete and click Delete volume…:

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5. Press Yes:

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6. Now right-click the unallocated space and select Extend Volume…:

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7. Specify the amount of space you wish to add to your disk C (all or a part) and click Next:

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8. Press Finish:

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The system partition has been extended:

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