How to Increase Partition Size in Windows 10?

Jean updated on Nov 28, 2018 to Partition Master | How-to Articles

"How do I change the size of the three partitions on my hard drive? My 750GB hard drive has three partitions: C, D, E, and 75GB of unallocated space, in that order left to right.  I need to increase the partition size of my C drive and make minor adjustments to the D and E partitions. I just custom loaded Windows 10. Thanks!"

This is a real case which comes from social.technet.microsoft.com forum. How to increase partition size in Windows 10? As we know, Windows 10 built-in Disk Management can extend and shrink volume.

According to the customer's description, she/he needs to shrink partition D and E, and then increase the partition size of the C drive. There is no problem to use Windows 10 built-in Disk Management to shrink volume D and E. After shrinking volume D and E, the Extend volume option is grayed out, how to add the disk space from partition D and E to partition C? Because of this, EaseUS Partition Master was released, it can quickly move disk space from partition D and E to partition C, and then increase partition size of C drive.

Increase Partition Size with EaseUS Partition Master in Windows 10

Although Windows Vista/Windows 7/Windows 8/Windows 10 allows users to extend or shrink the partition with the built-in disk manager, there are too many limitations. Upon recommendations from many computer users, the best way to resize partition without losing data is to use the reliable third-party free partition resizing software - EaseUS Partition Master Free.

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 Windows 10 is supported

 

Step 1: Launch EaseUS Partition Master

Run partition manager software

Step 2: Free up space to extend partition

If the hard drive has enough unallocated space to extend the target partition, jump to Step 3 and continue.

If not, free up space first:
1. Right-click on a partition next to the target partition and select "Resize/Move".
2. Drag the partition ends to free up space, leaving enough unallocated space behind the target partition, click "OK".

Free up space to extend partition

Step 3: Extend partition

1. Right-click on the target partition and select "Resize/Move".

Resize target partition

2. Drag the target partition handle into the unallocated space to extend partition.

Add space to the target partition

Step 4: Keep all changes

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

Keep all changes for extending partition

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 like extend system partition, resize/move partition, split/merge partition(s) and so on as partition manager.

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 Windows 10 is supported

 
 

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.