Resize/Move Partitions to Solve Low Disk Space Issue

Updated by

Tracy King 

Written by

Daisy 

Updated on Apr 28, 2025

When you are out of space, or your Windows 10 is extremely slow, you can resize your hard drive partition to increase partition space. There are three ways to resize a partition in Windows 10. Here are the ways. 

The first solution is to resize a partition with EaseUS Partition Master. It is a reliable disk management tool that has helped many users in increasing C drive space, merging partitions, converting MBR to GPT, and more. 

How to Resize/Move Partitions with EaseUS Partition Master

Resize/Move partition function in EaseUS Partition Master will help you:

Download and install EaseUS Partition Master, and follow the steps below to resize a partition in Windows 10.

Step 1. Locate the Target Partition.

Go to Partition Manager, locate the target partition and select "Resize/Move".

Step 2. Extend the Target Partition.

Drag the partition panel rightward or leftward to add the unallocated space into your current partition, or you can click click "fill in all unallocated" to allocate all space to the target partition. Then, click "OK" to confirm.

Extra Option: Get Space from Another Drive

If there is not enough unallocated space on your disk, right-click on a big partition with enough free space, select "Allocate space".

Then select the target partition that you want to extend at the allocate space to column.

Step 3. Execute Operations to Extend Partition.

Drag the dots of the target partition into the unallocated space and click "OK".

Then Click the "Execute Task" button and click "Apply" to keep all the changes. 

How to Resize Partition Using Disk Management in Windows 10

If you prefer a manual way, you can turn to Disk Management, a built-in partition resizer. Windows has a built-in tool: Disk Management. It enables you to extend, shrink, and adjust partition size. Follow the steps below to resize the partition with Disk Management.

Shrink Volume in Windows 10 Disk Management

Step 1. Press Windows + X, select "Computer Management" from the list.

Step 2. Right-click the target partition and select "Shrink Volume".

Step 3. In the pop-up window, enter the amount of space and click "Shrink" to execute.

Extend Partition in Disk Management on Windows 10

Step 1. Press Windows + X, select "Disk Management" from the list.

Step 2. Right-click the target partition and select "Extend Volume".

Step 3. Click "Next" in the Extend Volume Wizard window.

Step 4. Adjust the space that you need to extend the target volume. Click "Finish" to confirm.

How to Resize Partition Using Diskpart in Windows 10

If you are familiar with the CMD command, you can resize the partition with Diskpart. Follow the steps below to resize the partition with Diskpart.

Step 1. Press Windows + R to bring up the Run box.

Step 2. Type diskpart and hit Enter.

Step 3. Type the following command lines and hit Enter each time:

• list volume. (Note the number of the volume you want to shrink.)
• select volume X ("x" refers to the target volume number.)
• shrink desired=10240

After shrinking the partition, you can extend the partition in Diskpart. In Diskpart, type the following command.

• list volume
• select volume X
• extend size

Type exit to finish and close Diskpart

If you want to shrink C drive on Windows, we have provided a detailed guide for you. Click the link below to view more details.

How to Shrink C Drive without Losing Data [2023 Full Guide]

How to shrink C drive on Windows 10? You are in the right place if you are looking for a detailed answer about shrinking C drive. On this page, you can get three free tools to successfully shrink C drive without destroying data.

Conclusion

You have learned about three ways to resize partition in  Windows 10/8/7. If you are a beginner, EaseUS Partition Master is the best shot. If you have unallocated space, Disk Management can satisfy your needs easily. If you are an expert, you can try Diskpart.