Use Mod Organizer 2 (latest version). It keeps your root Fallout 4 folder pristine. Because the GOG version doesn't have Steam’s "validate files" nonsense, MO2 works even more reliably.
Visual Overhauls
Gameplay Conversions
Weapons & Armor Unlike later updates that broke custom armor slots, v1.10.163 handles complex item injection flawlessly. You can add hundreds of lore-friendly guns from Modern Firearms to The Attachment Pack without crashes. Fallout 4 Game of the Year Edition v1.10.163.0-GOG
The headline feature of this specific release is the platform: GOG (Good Old Games). Use Mod Organizer 2 (latest version)
For the longest time, buying Fallout 4 on PC meant installing the Steam client. While Steam is convenient, the GOG release offers a layer of future-proofing that appeals to preservationists. The GOG version is entirely DRM-free. Visual Overhauls
This means: