If I may...
Forget 1.4!
Go for Gold!
But seriously - Silent Hunter 4 Gold includes patch 1.4
and the U-Boat Missions (v1.5) - and! - it's free from Starforce/DRM/andwhatnot.
And! it's yours for only £8
http://www.amazon.co.uk/Silent-Hunte.../dp/B002L8D218
May I further recommend getting it as a disc -
not the digital download!
Happy Hunting!
Jan