How to Create New Partition in Windows 8 without Formatting and Reinstalling System?

Creating partitions on your hard drive allows you to separate Windows 8 and personal documents. For example, we recommend at least two partitions - one system partition including all Windows and software files, and a data partition with all your files, such as photos, videos and music, etc.

Two ways to create partition in Windows 8 without formatting

In general, you can create a partition in Windows 8 by using Disk Management tool and AOMEI Partition Assistant. No matter which ways you choose, you must be aware of the two points below:

  • On a master boot record (MBR) disk, you can create up to four primary partitions, or three primary partitions and one extended partition, including multiple logical drives.
  • On a GUID partition table (GPT) disk, you can create up to 128 primary partitions, but no extended partitions or logical drives.
Of the two ways, AOMEI Partition software is recommended. When using Windows 8 Disk Management to create new partition, you may receive error messages, including "You cannot create a new volume in this unallocated space because the disk already contains maximum number of partitions" and "The operation you selected will convert the selected basic disk(s) to dynamic disk(s). If you convert the disk(s) to dynamic, you will not be able to start installed operating systems from any volume on the disk(s) (except the current boot volume). Are you sure you want to continue?"

Create Windows 8 partition with AOMEI Partition Assistant

As Partition Magic alternative, AOMEI Partition Assistant brings diverse approaches to create partition in Windows 8 according to different situations. Generally, there are two cases.

Tip: Free Download AOMEI Partition Assistant Standard Edition from CNET (File Size: 3.66 MB)

Case 1: If there is unallocated space on the disk, please follow the steps as below. Otherwise, go to Case 2.

Step1: Install and launch AOMEI Partition Assistant Standard Edition.

AOMEI Partition Assistant

Step2: Right click on the unallocated space and select "Create Partition".

Create Partition

Step3: When the "Create Partition" window pops up, you could enter a partition label, select an available drive letter, partition type (Primary or Logical) and file system. Besides, you also could resize the new partition by manually entering exact size or dragging the slider bar on both sides.

Create Windows 8 Partition

Step4: Click "OK". You can preview the newly created partition. To save the changes, please click "Apply" on the toolbar.

Click Apply

Case 2: If there is no unallocated space on the disk, you also can create Windows 8 partition with AOMEI Partition Assistant.

Step1: Install and launch AOMEI Partition Assistant Standard Edition. Right click on the partition (here’s D) from which you want to create a partition and select "Create Partition".

Create Partition without Unallocated Space

Step2: In the pop-up window, you could select an available drive letter and resize the new partition by manually entering exact size or dragging the slider bar in the middle. Also, click "Advanced>>" and you could enter a partition label, select partition type (Primary or Logical) and file system.

Create Partition Windows 8

Step3: Click "OK". You can preview the newly created partition. To save the changes, please click "Apply" on the toolbar.

Click Apply Button

As ALL-IN-ONE partition manager and powerful disk management utility, AOMEI Partition Assistant also allows you to resize, move, copy, split, merge partitions , allocate free space, copy disk on MBR and GPT disk and much more… Free download and try out.

How to create partition in Windows 8 with Disk Management?

Note: To create partition with Windows 8 Disk Management, there must be some unallocated space on the disk. If there is already some unallocated space, please go to Step2.

Step1: Open Run by pressing [Win-Logo]+[R] simultaneously. Type "diskmgmt.msc" in the text box and click "OK". Then, the Windows 8 Disk Management will open immediately. Right click on the partition (here’s C) and select "Shrink Volume".

Shrink Volume Windows 8

Step3: When the unallocated space has been generated, right click on it and select "New Simple Volume".

Windows 8 Disk Management Create Partition

Step3: Follow the wizard and you will create Windows 8 partition easily.

As ALL-IN-ONE partition manager and powerful disk management tool, AOMEI Partition Assistant also allows you to do the following operation in Windows 8:

Free download AOMEI Partition Assistant and try it out.

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