Inside the archive you can find some saves for Survival Mode + one small mod, that unlocks the special “stuff”. All details in Readme.txt.
Fallout 4: Survival Mode

SaveGame Description

Installation
1. Download archive (Last Update: 4.04.25).
2. Extract files using 7-Zip (WinRar) ulillity program.
3. Backup your saves.
4. Copy the data from the archive to the save folder! *
5. Run Fallout 4: Survival Mode!* The paths may change depending on the version of the Operating system.

Download Save

Save Editor
Bad News! There is no save-editor (or information about it) found for this game! Sorry!