AOMEI uses online activation; shared keys are usually blacklisted quickly. No Updates:

If you cannot afford Professional, the still offers:

Searching for a "serial key" for AOMEI Backupper Professional

: Ensure the key you have matches the version installed (e.g., a "Server" key will not work on the "Professional" edition).

: Offers real-time, two-way, and mirror synchronization to keep data consistent across multiple locations.