How to Set Up AOMEI Partition Assistant Properly (2026 Guide)
A practical AOMEI Partition Assistant setup walkthrough — the steps that matter, and the mistake most people make.
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AOMEI Partition Assistant — a disk partitioning tool — resize, merge, migrate OS to SSD — without wiping the drive. Here's the setup path that avoids the usual mistakes:
Setup, step by step
- Step 1. Back up the drive before resizing anything — partition tools are safe in the vast majority of cases, but 'most of the time' isn't 'always'
- Step 2. Close any programs using the target drive before starting
- Step 3. Run the operation and let it complete uninterrupted — don't sleep/shut down the machine mid-operation
- Step 4. Verify the new partition boots/mounts correctly before deleting any backup you made
The one thing to watch for
Windows' own Disk Management can do basic resizing for free — this earns its price on the more advanced operations (OS migration, merging).
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