How to extend system partition in Windows 10

Extending system partition on your Windows 10 computer can benefit you when you need extra space on a hard drive that is currently running low on disk space. By extending your system volume, or partition, your computer will take extra space that is not being used by other partitions, and apply that space to the drive that needs extra volume. Extending system volume can be done on any computer with Windows 10 built-in Disk Management and any third-party disk management software.

Extend Windows 10 system partition with Disk Management

Windows 10 built-in Disk Management has the ability to shrink volume and extend volume.

In the Disk Management screen, just right-click on the system partition that you want to extend, and select "Extend Volume" from the menu. Then specify the amount that you want to increase the partition size.

Using Disk Management to extend Windows 10 system partition, there must be contiguous space behind Windows 10 system partition, otherwise, you cannot extend system partition. In this situations, you need third-party partition manager software.

Extend Windows 10 system partition with EaseUS Partition Master

As professional partition software, EaseUS Partition Master Free is a FREE comprehensive hard disk partition management software for computer users which are using Windows 10/8/7/Vista/XP 32 bit and 64-bit Operating Systems. During all operations, your data is completely protected.

Tutorial to extend Windows 10 system partition with EaseUS Partition Master

Step 1: Launch 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".

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

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.

Apart from basic and advanced partition manager features, EaseUS Partition Master, an all-in-one disk management solution, also provides powerful partition recovery wizard to recover deleted or lost partition and Copy Wizard other than handling partition management issues.