- Disable internet connection.
- start installation. However, don't insert any info during installation.
- Install as trial. After installation, go to install location.
- Find the folder "Activator" in activation folder. C:\Program Files\Paragon Software\HFS+ for Windows  10.5\activation
- Generate name and serial number from the keygen.(Keymaker-CORE.zip)
- Paste the generated name in the product number field.
- Paste the generated serial number in the serial number field.