Log in to the web interface of ASUSTOR ADM and select Settings> ADM Update> Manual Update.
Select the ADM image file (.img) you downloaded and upload it.
Wait for the ADM image file (.img) to finish uploading, select it for installation and click Update Now.
The system will start installing ADM, and after the installation is complete, it will automatically reboot the NAS and enter the new version of the ADM operating system.