Create an installer
Run the program and follow the on-screen instructions to create the installer.
*To create the installer, the standard Windows feature "PowerShell" must be enabled.
Before running the program, make sure that PowerShell is available for use.
Prepare the installer
Copy the installer you created to the computer without Internet access.
Right-click the file, and then select [Mount] from the menu that appears.
Run the installer
The installer starts automatically. Follow the on-screen instructions to install.
*If it does not start automatically, open the mounted drive in Explorer and run "Setup.exe".