About this release
AOMEI Partition Assistant handles the disk surgery that Windows own disk management refuses to do cleanly. It resizes a partition without wiping it, moves one along the disk, merges two into one, and splits one into two, all while keeping the data in place. For anyone who has ever run out of room on the system partition with plenty of free space sitting in the wrong place, that is the whole job.
The migration tools are the other half of why people install it. It clones a whole disk or a single partition, and it migrates a running operating system to a new drive, which is the clean way to move from a mechanical disk to a solid state one without a reinstall. It aligns partitions for solid state drives, converts between the older and newer partition table styles without data loss, and rebuilds a boot record when a migration leaves a machine unbootable.
This package includes the WinPE bootable media builder, which is the part that matters for the operations Windows will not allow while it is running. You build a small bootable environment, boot into it, and perform the moves, merges and migrations on the system drive from outside Windows where nothing is locked. The recovery side rounds it out with partition and lost data recovery for when something has already gone wrong.
What it does
- Resize, move, merge and split partitions without destroying data
- Disk and partition cloning for straight copies to a new drive
- Operating system migration to a new disk without a reinstall
- WinPE bootable media builder for operating on the locked system drive
- Conversion between MBR and GPT partition styles without data loss
- Solid state drive alignment and secure erase tools
- Boot record rebuild for machines left unbootable after a change
- Partition and lost data recovery tools
- Conversion between primary and logical partitions and file systems
- Bad sector check and surface test on a selected disk
Changes in this version
- Updated WinPE build with a wider driver set for current controllers
- Faster cloning on large drives
- Improved reliability of the MBR to GPT conversion
- Better handling of drives with unusual sector sizes
- Refreshed interface with clearer pending operation review
What the package contains
- AOMEI Partition Assistant full installer
- WinPE bootable media builder
- Both 32-bit and 64-bit builds
- All interface languages
- Readme with the install order written out step by step
Installation notes
Follow these in order. Most reports of a failed install come from skipping a step rather than from the package itself.
- Back up anything important before you touch a partition, these operations carry risk.
- Disconnect from the network and pause real time protection.
- Extract the archive and run the installer as administrator.
- Apply the included activation step before you launch.
- For system drive operations, build the WinPE media and boot from it.
- Queue your changes, review the pending list, then apply and let it work.
System requirements
| Operating system | Windows 7 or newer, 32-bit or 64-bit |
| Processor | Any 1 GHz or faster processor |
| Memory | 1 GB minimum, 2 GB for the WinPE environment |
| Graphics | No specific requirement |
| Storage | 300 MB free plus room for any clone target |
| Media | A USB stick for the WinPE bootable media |
Things worth knowing
- Always back up before a partition operation, a power cut mid move can leave a volume in a bad state.
- Operations on the running system drive need the WinPE media, do not force them from inside Windows.
- Cloning to a smaller drive only works if the used data fits, shrink the source first if needed.
Questions about this title
Can it resize the system partition while Windows runs?
Will migrating my OS to an SSD need a reinstall?
Is converting MBR to GPT safe for my data?
What is the WinPE media for?
What people are saying
Migrated a running install to a new SSD, booted first try. Saved a whole reinstall afternoon.
Merged two volumes without losing anything. Built the WinPE stick for the system drive like it said.
Backed up first, moved a partition, all fine. Would not skip the backup step though.
Listing information
This entry is catalogued under Utilities & Tools and carries the tags below. Language coverage is Multilingual, 20 interface languages, and the supported platform list is Windows 7, Windows 8.1, Windows 10, Windows 11. Version 10.12 is the current catalogued build, last checked 5 days ago, and the entry has been in the index since it was added 3 years ago.