Real uboat PROBLEM>......................

[Trout]

I have DLed real uboat mod but don't know how to install it. What kind of file is it? what do I do to open / install it?

Trout

[The Avon Lady]

I have DLed real uboat mod but don't know how to install it. What kind of file is it? what do I do to open / install it?

A recent version of WinRAR knows how to automatically open 7Z type files.