It's in the manual. Go to Maxidas.com, still need an account to log in for the update.
Create a user account through Autel / Pro.autel.com.
Log in and select PC Suit on the left side under your account and install.
Make sure that your computer is connected to the Internet. Load the SD card of the scan tool to your PC. Run the update option in Autel PC Suit software. Wait for the
Log In window to pop up. Log in, an update window with updates will appear.