How to Resize Partition in Windows 10 | Change Partition Size

NTFS (New Technology File System) is a file system incorporated by Microsoft from Windows 2000 systems where NTFS replaces FAT.

NTFS has numerous advantages over FAT.

So now we will see how to resize partition in Windows 10.

Before Start

First of all, we need to verify that the drive is NTFS

  1. Open the File Explorer
  2. Right-click on your Drive and select Properties
  3. There look for File System: NTFS

Once confirmed that you File System is NTFS, use one of these methods to resize your partitions.

Method #1: Resize Partition using Disk Management

Disk Management is a dynamic disk and volume manager that you can use to resize your partitions

  1. Press the keys Winkey + R to open Run
  2. Type the command: diskmgmt.msc
  3. Press Enter to open Disk Management
  4. There you can see all your partitions
  5. Right-click on your partition to resize and select Shrink Volume
  6. Enter the amount to space to resize and click Shrink
  7. Now, you can see your partition resize to your desired amount, and now there is an Unallocated space.
  8. Now if you want to add unallocated space to your partition, right-click on the partition and select Extend Volume
  9. Click on Next and select the Unallocated Space and click on Add
  10. Now, click on Next and then in Finish to apply the resize.

This is the way that you can resize your partitions using graphical tools. But if you only have access to the command prompt or want to try something different check the method below.

Method #2: Resize Partition using Command Prompt

To resize partitions in Windows 10 using the Command Prompt, you need to use the tool diskpart

  1. Press the keys Winkey + R to open Run
  2. Type the command cmd and press Enter to open the Command Prompt
  3. In the Command Prompt type the command diskpart and press Enter
  4. in DISKPART type the command list volume and press Enter

    This command shows you all your active partitions
  5. For this tutorial, we want to reduce the size of volume 2 by 2048 MB
  6. For that, type the command select volume 2

    This command selects the volume to work using the syntax select volume #
  7. Now, you have two commands:
    shrink to reduce the size
    extend to increase the size
  8. Those commands need the desired or minimum size like this:
    shrink desired=2000 to resize the partition to 2000 MB
    shrink minimum=2000 to resize the partition by 2000 MB
  9. Now, I will use the command shrink minimum=2000
  10. Use the command list volume to check your partition
    There check how volume 2 now have 90 GB

As easy as that you can resize your partitions using Windows builtin tools. If you have any question about this tutorial, leave your comment below.

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