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Merge Unallocated Space to System Partition in Windows 10

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2016-08-11 15:14:42 Posted by Judie to Windows 10 Partition Manager

Summary:
Facing Windows C drive full problem in Windows 10? EaseUS partition software can help you merge unallocated space to system partition to extend C drive.

Can I merge unallocated space to system partition in Windows 10?

I use a 2TB Seagate hard drive as the internal memory of my computer. I have partitioned the disk into 4 partitions: C drive is for the OS, D drive is for my applications and the other two partitions are for my personal files. But now I find the C drive is running in low disk space while D drive has much-unallocated space. So I was wondering how I can merge unallocated space to system partition. Is there any way I can do this? My computer runs Windows 10. Please help!

Usually, when you encountered Windows C drive full problem in Windows 10, you can merge unallocated space to system partition to extend C drive. Then the problem will be solved easily. For example, if there is much free space on your D drive, you can shrink it and merge the newly unallocated space into C drive. It is an easy and safe way to increase C drive space. You don’t need to worry that it will let you lose any file paths for the programs on D drive or mess up the Windows 10 OS on the system partition. 

Steps to merge unallocated space to system partition in Windows 10

Now you might think what tool can you trust to do the task. Here we recommend EaseUS partition software. The program works well to resize partition. It has helped numerous users deal with disk partitioning job especially low disk space problem. With its help, moving unallocated space to system partition in Windows 10 should not be a problem.

Step 1. Download and launch EaseUS Partition tool. Right click the D: partition and choose "Resize/Move partition to carve up free space for the C: drive.

Choose Resize/Move partition option to merge unallocated space to system partition in Windows 10

Step 2. Position the mouse pointer on the partition that you need resize and drag the handle to adjust its exact size.

Shrink D drive to merge unallocated space to system partition in Windows 10

Tips: Sometime the unallocated space is on the left of the partition you want to extend, just drag the left partition handle leftwards to the size you want.

Step 3. Click "Apply". You will successfully merge unallocated space to system partition in Windows 10 and get a bigger C: drive.