Based on common XPrinter releases:
Specific driver packages are available in the same download area under "Label printer (Linux/MacOS)" or general receipt printer sections. Third-Party Alternatives: Specialized Seagull Scientific Drivers xprinter xp-t80b driver download
Plug your XP-T80B into a power source and connect it to your PC via USB. Turn the printer on. Based on common XPrinter releases: Specific driver packages
Download the driver .zip file and extract it using a tool like WinRAR. xprinter xp-t80b driver download
Select "USB" as the port type. If you are using a network-enabled version of the T80B, you may need to enter the IP address manually.
The driver typically comes as a .zip file. Right-click and select "Extract All" to a folder on your desktop.