If ArchiCAD does not recognize your key and you recently up graded to High Sierra (10.13) or Mojave (10.14) you may need to take the follow steps. This is due to Kernel extensions being blocked.
1. Download and install CodeMeter User Runtime for OS X, macOS it’s found here.
2. After the reboot, launch ArchiCAD. You will most likely see the following popup.
3. Click Open Browser and Download.
4. Click to download the CodeMeter Protection Key Updater and then follow the installer.
You will see the following upon successful install. Launch ArchiCAD if it is not already running.
If you still have issues, please reach out for support.