As per the website downloads page, scroll down to the "History of changes"

"
History of Changes

You MUST have WOFF UE installed to use these updates: NEW PATCHES CONTAIN ALL PREVIOUS UPDATES so you only need the latest patch to be fully up to date!"

There's a section on how to do a clean install in the WOFF FAQ section 17. (FAQ is on support page).

Last edited by Polovski; 07/07/19 12:24 PM.
Regards,

Polovski,
OBD Software, developers of immersive flight sims;
Wings Over Flanders Fields and Wings Over The Reich
http://www.overflandersfields.com
http://www.wingsoverthereich.com