Top 2 Ways to Create D Drive From C Drive in Windows 10/11

Many users who only have a C drive on their computers are eager to know how to create D drive on a laptop or how to partition C drive in Windows 10. Having two or more partitions enables you to enjoy the following benefits:

• You can isolate the Windows operating system from your personal files. Typically, the OS is stored in the C drive, and personal files are stored on other partitions such as the D drive. This keeps your data safe if the system crashes and needs to be reinstalled.
• You can make a dual-boot system. With two partitions, you can dual-boot systems on the same computer.
• Having a D partition makes it possible to password-protect only the system partition or the D drive individually.
• …

As you can see, there are lots of advantages to having multiple partitions on a hard drive instead of just the C drive. But how to partition the C drive in Windows 10? See details below.

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How to Create D Drive From C Drive in Windows 10/11

Listed below are two efficient approaches to create D drive from C drive.

Way 1. Shrink the C Drive

The easiest way to partition the C drive is to shrink it.

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After making a copy of your files/system, now you can follow the steps below to shrink the C drive.

Step 1. On the taskbar, right-click the Start button and select Disk Management.

Step 2. Find and right-click the C drive and select the Shrink Volume option from the context menu.

Step 3. In the new window, enter the amount of space to shrink and then click the Shrink button.

Step 4. Once the C drive is shrunk, there will be an unallocated space available. Now you need to right-click the unallocated space and select New Simple Volume.

Step 5. Click Next, then follow the on-screen instructions to specify the volume size, assign the drive letter D, and choose a file system. After that, click the Finish button, and the D drive should exist.

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Though it is easy to create D drive from C drive via Disk Management, sometimes you may encounter some errors such as Shink Volume is grayed out, New Simple Volume is grayed out, etc. In such a situation, is there another way to partition the C drive? Of course, the answer is Yes.

Apart from Disk Management, you can shrink the C drive with MiniTool Partition Wizard, free disk partition software. It can help to create/delete partitions, mode/resize partitions, format partitions, copy partitions, wipe partitions, etc.

Download MiniTool Partition Wizard Free and start to create D drive from C drive.

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Step 1. Launch MiniTool Partition Wizard to enter its main interface.

Step 2. Select the C drive, then click Move/Resize Partition from the left menu bar.

Step 3. Drag the handle to the left to shrink the C partition. Once the volume space is specified, click OK.

Step 4. Next, select the unallocated space and click Create Partition.

Step 5. Specify the partition label, file system, and partition size, and choose the D drive letter.

Step 6. Click the Apply button located in the lower left corner to make all the changes take effect.

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Way 2. Split the C Drive

Alternatively, you can create D drive from C drive by splitting the C drive as long as you use MiniTool Partition Wizard. The major steps are as follows.

Step 1. On the home page of MiniTool Partition Wizard, select the C drive and click Split Partition.

Step 2. Drag the slider bar leftwards or rightwards to determine the size of the original partition and the new partition. After that, click OK.

Step 3. Finally, click the Apply button.

Top Recommendation

If your files or partitions are lost during the partitioning process due to incorrect operations, you can use MiniTool Power Data Recovery to recover files or use MiniTool Partition Wizard to recover the lost partition with data on it.

MiniTool Power Data Recovery Free can recover 1 GB of files for free. The Partition Recovery feature is only supported in the Pro Platinum Edition or more advanced editions of MiniTool Partition Wizard. You can use the free edition to scan your hard drive and check if you can find the lost partition, and then you can decide whether to get a full edition.

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Conclusion

In a word, this post explains how to create D drive from C drive in Windows 10/11. If you encounter any problems when using MiniTool software, please feel free to contact us via [email protected].