Download the driver to an external drive like USB flash drive, then transfer the driver to the PC without network. The downloaded driver will always be in self-install format. You just need to double-click on the setup file to install the driver.
Can you reinstall a driver without internet?
If you need to install more than just network driver after a clean install of Windows system, you are suggested to install drivers without internet in a more intelligent way: using Driver Talent for Network Card . The program is especially designed to download network drivers without internet connection.
How do I manually install a driver in Windows 10?
Manual Driver Install through Device Manager
Right-click the start menu and select “Device Manager.” Find the device that requires a driver update and right-click it, then select “Update Driver.” If you need details on the current driver, select “Properties” instead. From there, you can also update the driver.