Windows:
Run the installer by double-clicking the file and start the app afterward.
Linux:
Go into the download directory, run chmod +x ./PCBioUnlock-ARCH.AppImage and ./PCBioUnlock-ARCH.AppImage. Replace "ARCH" with the correct architecture of your system. (x64 or arm64)
After opening the app, click on "Install" in the service module section.
Then, click on "Pair new device" and follow the instructions.
When the blue SmartScreen dialog appears, click the More info link.
A Run anyway button now appears. Click it to start the installer.
If you run into any issues, please look into Troubleshooting.