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How to Register AOMEI Partition Assistant for Cleanup

AOMEI Post By AOMEI Updated July 7, 2025

Introduction

The feature to clean up junk files, delete large files, remove duplicate files is only available in the paid version. After you purchase the software, you will receive a license code with the product. With the license code you receive, you can just register the program to optimize disk space.
There are two ways to activate the program: online and offline activation.

Online Activation

To activate the program, please first download and install AOMEI Partition Assistant for Cleanup on your computer.
Step 1. Launch AOMEI Partition Assistant for Cleanup and click the "Menu" button and select "Activation" in the drop-down list.

Activation Menu

Step 2. Copy and paste the license code you received into the box and click the "Activate" button.

Activate

If the code is valid, you will get an activation successful window.

Activation Successful

Offline Activation

To activate a computer without an internet connection, you can do offline activation. Please note that the offline key needs to be generated in advance individually.
Step1. Please first run AOMEI Partition Assistant for Cleanup without an internet connection, and click the "Activation" button. If there is no network, you will get a pop-up note to notify you that online activation is not available and ask if you would like to try offline activation instead. Click "Yes" to continue.

Note

The offline activation window will pop up. Then, please connect to the internet and open the URL (https://www.aomeitech.com/get-offline-key.html?p=pac) on the offline activation window as follows. (Or, you can open the URL on another computer with an internet connection. )

Offline Activation

Step2. Copy your license code and machine code on the opening webpage and click the "Generate Offline Key" button to obtain an offline license key.

Get Offline Key

Step 3. Finally, you will get an offline key. You can directly copy and paste the offline key into the offline key box and click the "Activate" button to register.

Notes:

  • To avoid typing in incorrect characters, it is better to copy and paste the key into the registration box. (For example, it is easy to misunderstand the letter "O" and the number "0".)
  • Please don't leave any spaces in the registration box. And please make sure the internet connection is stable.