Silent Hunter 4 1.5 patch is not a traditional free executable. It is identical to the U-Boat Missions Add-on , which was released as a paid expansion . If you have version 1.4 of Silent Hunter 4: Wolves of the Pacific
: Includes critical bug fixes and support for "Large Address Aware" (LAA) memory management, which prevents crashes in heavily modded games. Content Updates Silent Hunter 4 1.5 Patch Download
Version 1.5 includes final official bug fixes that resolve several "Crash to Desktop" (CTD) issues present in earlier versions. 3. Critical Installation Tips Silent Hunter 4 1