How to Increase Partition Size in Windows 10?

"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.

 

Step 1: Launch EaseUS Partition Master

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".

Step 3: Extend partition

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

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

Step 4: Keep all changes

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

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.