: There is no free "patch" to go from v1.4 to v1.5. You must install the U-Boat Missions DLC to reach version 1.5. Modding Considerations
Ubisoft’s official FTP servers have been offline for years. Do use CNET, Softonic, or “Patch-Download.net” – they bundle adware. Below are the three legitimate, community-verified sources. Silent Hunter 4 1.5 Patch Download
Depending on which version of the game you currently own, you can obtain the update through these platforms: : There is no free "patch" to go from v1
To download the Silent Hunter 4 1.5 patch, you can try the following options: Do use CNET, Softonic, or “Patch-Download
: Includes new strategic assets like scout planes at land bases and IJN (Imperial Japanese Navy) task force support. Installation Tips for Modern Systems Patch 1.5 - SUBSIM Radio Room Forums
from version 1.4 to 1.5. Instead, . To update your game to this version, you must either purchase the expansion or own the "Gold Edition" of the game. How to Obtain Version 1.5