By Cherry / Last Updated June 23, 2021

Why move space from D drive to C drive in Windows 7?

Not everyone’s computer comes with a perfect partition. With the use of disk space, you will face a lot of problems, such as C drive runs out of space. Once your C drive has no enough free space, your PC will run under low performance. Thus, when your C drive is getting low disk space warning, you need to repartition hard drive to get more reasonable partitions. Here are some true things happen to users.

“My C drive only has 5GB free space left on my PC which runs Windows 7 operating system. Today, when I wanted to install a program on C drive, it reminds me that C drive doesn't have enough free space. So I can only install the program on D drive, which still has more than 100GB free space. Although I haven't encountered any trouble due to C drive low disk space, I want to move some free space from D drive to C drive. Can you tell me how do I move the space?”
“I used Windows 7 on my computer. And recently, I always got the warning that C drive is running out of space. I have made every effort to fix the problem, but it is useless. Well, I tried to uninstall some unnecessary programs and I also ran Disk Cleanup to free up space on C drive, but it only released little space. In addition, I tried to run Diskpart to extend C drive, but it says the selected drive cannot be extended. I checked that there is large free space on my D drive. Is there any other way for how to increase c drive space in Windows 7 from D drive?”

Transfer free space from D drive to C drive in Windows 7 does really a good way to increase system partition if there is much free space on your D drive.

How to increase C drive space from D drive in Windows 7/8/10?

Windows Disk Management or Windows Diskpart extend partition needs unallocated space next to the partition you want to extend. That’s why users move space from D drive to C drive with Windows tools failed. Fortunately, this article will provide you a way to move free disk space from D drive to C drive in Windows 7/8/10. That is taking use of the third-party software AOMEI Partition Assistant Professional, which is really a great partition manager that can partition hard drives for Windows easily. Here are the detailed steps for how to move space from D drive to C drive in Windows 7 with AOMEI Partition Assistant.

Step 1. Install and launch AOMEI Partition Assistant. It will display the basic environment of your hard disks. And here you can see your C drive has no free space, while the D drive has much free space. To move free space from D drive to C drive windows 7, here you should right-click D drive, select Allocate Free Space.

Allocate Free Space

Step 2.Then, you can resize partition as you want in the following picture.

Resize the Size.jpg

Step 3. After that, click Apply to submit the operations.

Apply the Operation


Using AOMEI Partition Assistant to move free disk space from D drive to C drive should be the easiest way. Actually, it provides you more ways to increase C partition. You can free download AOMEI Partition Standard and use resize partition function to increase C partition for Windows freely.