Obtain the vehicle-specific .zss file from an FTP server or technical support. Copy and paste the .zss file into C:/Wintax4/Export .
If you encounter issues during the "wintax 4 user manual upd" process, try these quick fixes:
At least 2GB of free space for local database backups. How to Check Your Version
I am currently unplugging my router and filing my taxes with a pencil. You should too.