The Steam version of the game, is the latest / greatest, and all you have to do is read the TWoS instructions and go to town - Other than:You might be running into a Windows issue there Piction, if you have installed the game to the default location, which is "C:\Program Files(x86) \Steam \SteamApps \common \Silent Hunter 5\", which Windows will protect from alteration, resulting in incomplete mod activations, no matter how hard you try. Read-up on the subject with
Moving a Steam Installation and Games on the Steam Support site if you have to move your install. If you don't have a lot of games, it is usually easier to uninstall Steam and then re-install it elsewhere, such as "C:\MyGames \Steam \" etc, or a folder named how you want to name it. Adding a second Library folder is the easiest, if you have another hard drive. I did the copy and paste method, and it took ~forever~ on this laptop, and then you have to set things up correctly again anyway... When you do get it going again, though, do not use the Uplay thing to start the game. Use the Steam Library menu, so that it can go through its licensing checks. You will have to do that at least once before you can do the TWoS mod. THEBERBSTER also has some ReadMe kind of stuff to browse through at
SH5 <> TUTORIALS <>HOW TO DO IT <> INFORMATION <> DOWNLOAD LINKS. Unless you get really serious about subsimming (which you might decide to do) and go with Sober's mod collection, then TWoS is (as far as I'm concerned), the only viable mix of SH5 that is playable...