Firstly, welcome aboard.
Define "not functions".
And then:
WIN 7 (it works fine):
http://www.subsim.com/radioroom/show...153900&page=29
http://www.subsim.com/radioroom/showthread.php?t=212966
In relation to your second question, what do you need from SH 5 that simulates SH 3 behaviour? AI? Country Rosters?
Campaigns? Scenarios?
There are many many mods but check out this:
http://www.subsim.com/radioroom/show...=211804&page=8
In particular posts no. 23 and 24.
Check the stickies here where you posted this.
Also check out the Silent Hunter 5 Mods section, the stickies and the super mod which seems to be what everyone is using at the moment:
http://www.subsim.com/radioroom/showthread.php?t=210703
Grab yourself a beer, plenty of reading
