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How to Extend System Partition or C Drive?

Updated on Nov 29, 2018 by Daisy to Partition Master Guide

Summary:
How to extend system partition or C drive? Free partition manager software - EaseUS Partition Master can easily extend system partition and increase C drive space.

Have you ever met low disk space warning when using the computer? When this warning pop out, it means that you will suffer a big risk of data loss and low work efficiency with the computer. One way to solve this problem is to extend system partition to optimize disk space usage.

If there are too much data in system partition (C drive) and your system partition (C drive) is in low disk space, you need to extend it to optimize disk space usage and get powerful partition and hard disk management to increase the efficiency of Windows-based system administration. How to extend system partition? please read the following.

As professional partition manager software, EaseUS Partition Master can easily extend system partition by its "Resize/Move partition" feature.

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 Windows 10 is supported

How to Extend System Partition (C drive) with EaseUS Partition Master

Step 1: Launch EaseUS Partition Master

Run EaseUS Partition Master

Step 2: Add space to the System C drive

1. Shrink partition and leave unallocated space for extending C: drive:

  1. Right-click on a partition next to the C: drive and select "Resize/Move".
  2. Drag the end of the partition that is next to the C: drive and shrink it, leaving unallocated space next to the system C: drive, and click "OK".

2. Right-click on the System C: drive and select "Resize/Move".

Extend System partition

To add space to the C: drive, drag the system partition end into the unallocated space.

Add space to C drive

Step 3: Confirm to extend system C drive

Click the "Execute Operation" button, it will list the pending operations, and click "Apply" to execute the changes and extend the C drive.

Confirm to extend system C drive
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 Windows 10 is supported