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How to extend C drive or system partition in Windows 10?

Updated on Aug 24, 2018 by Tracy King to Partition Master

Summary:
How to extend C drive or system partition in Windows 10? Free partition manager - EaseUS Partition Master can easily resize/move/merge/split partition and increase your system partition size for you in Windows 10.

When the C drive (system partition) is out of space or gets full or you simply get the low disk space warning, and hardware upgrades become unavailable, what are you going to do? How to extend C drive or system partition in Windows 10?

  • Windows 10 C drive is out of space:

Windows 10 C drive out of space

 Tips to extend C drive in Windows 10

There are a few things you can do in these cases to extend C drive or system partition. These include:

  1. ▶ 1. Move the print spooler and page file to another drive.
  2. ▶ 2. You can also merge other partition into C drive for more space.
  3. ▶ 3. Apply professional partition manager software with Cleanup and Optimization feature can also speed up your slow computer, clean up those junk files and repair Windows system.
  4. This will save you a large amount of space on C drive and other partitions.

All these methods will allow you to free up a significant amount of space on your C drive.

For the users who want to extend C drive with a free and easy method, EaseUS Partition Master Free Edition is the right choice for you.


RECOMMENDED: Try easy and free partition manager software for help

As magic partition software, EaseUS Partition Master Free Edition is a FREE comprehensive hard disk partition management software to let you enjoy free with all the powerful functions:

  1. 1. Extend system partition
  2. 2. Resize and Move partitions
  3. 3. Copy Partition/Disk
  4. 4. Create, Deleted and Format partitions
  5. 5. Hide and Unhide partitions and more... 

This freeware works perfectly with hardware even with RAID and supports all Windows Operating Systems. Your data is completely protected during all operations.

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 Windows 10 is supported

  • Moreover:

Besides the basic and advanced partition manager features, EaseUS Partition Master also provides powerful partition recovery wizard to recover deleted or lost partition, cleanup and optimization for optimizing hard disk and clean up disk space, wipe data to permanently erase hard drive/partition and so on.


TUTORIAL: How to extend C drive or system partition in Windows 10?
Let EaseUS Partition Master Free help!

Step 1. Launch EaseUS Partition Master

  1. As the picture shown below, there is no unallocated space to extend the system partition.
  2. So first, you have to decrease one of the partitions to gain the unallocated space.

Free partition manager software

Step 2. Shrink partition and leave free space to extend C drive

Select one partition and decrease it by clicking "Resize/Move partition" and then move it to let the unallocated space be behind the system partition.

Move the unallocated space

If the unallocated space is not behind your C drive, drag the partition rightward to leave the free space behind your system partition on the Resize/Move partition window.

Step 3. Extend C drive (system partition)

  1. Then select the system partition (C: drive), right click it and select "Resize/Move partition".
  2. Drag the C drive right handle rightward to add space to the C: drive and expand it.

Extend system partition

Step 4. Keep all changes

Click Apply to keep all changes.

Keep all changes for extending C drive in Windows 10.

  1. The program may pop up a window to ask you to restart your computer after executing the operation, do as the software requires.
  2. Your computer will restart with a bigger system C drive and better computer performance on your Windows 10 PC.

Last, if you want to extend partition or expand C drive in Windows 7/8, the provided methods here also can work for you.