Fallout 4 Save File 100% – Main Story & All Factions Complete

Verified & Safe PC Updated September 2026

Fallout 4 is Bethesda's open-world RPG set in post-apocalyptic Boston, where the Sole Survivor emerges from Vault 111 to search for a missing son amid raiders, super mutants, and warring factions. This save drops you into a max-level character with the main story, all faction questlines, and companion arcs finished.

Save File Details

Game	Fallout 4
Platform	PC
Completion	100% — Main Story + All Factions + All Companions
Game Version	Next-Gen Update, latest patch
File Format	.fos
File Size	~18 MB
Save Type	Manual save
Last Updated	September 2026

What's Included

Main story 100% completed

All four major factions explored

Every companion romance/quest finished

Max-level perk chart unlocked

fallout-4-100-save.zip ~18 MB Virus-free verified

How to Install

Important: Always backup your existing save files before installing. Copy your current save folder to a safe location so you can restore your own progress if needed.

Download and extract the .zip file to your desktop.

Open your save folder: Documents\My Games\Fallout4\Saves\

Backup your existing save files by copying them to a safe location.

Copy the extracted .fos files into the save folder.

Launch Fallout 4, open the Load menu, and select the imported save.

Enjoy the fully completed save — all progress, perks and unlockables are ready.

If using Steam Cloud, disable cloud sync for Fallout 4 temporarily so it doesn't overwrite the imported save on launch.

Frequently Asked Questions

Is the Fallout 4 save file safe to use?

Yes. Fallout 4 is a single-player game with no anti-cheat or competitive systems. There is zero ban risk from using a save file, on both Steam and Game Pass versions.

Where is the Fallout 4 save file location on PC?

Fallout 4 saves are located at: Documents\My Games\Fallout4\Saves\ — each save appears as a separate .fos file inside this folder.

Does this save work with the latest patch?

Yes. This save was tested on the latest available Next-Gen Update patch as of September 2026. We update within 48 hours if a new patch breaks save file compatibility.

Which ending and factions are included?

The main story is complete with the Minutemen ending, all four major factions (Minutemen, Brotherhood of Steel, Railroad, Institute) fully explored, and every companion's personal quest finished.

Can I transfer this save between Steam and another platform?

PC save files (Steam/Game Pass) can generally be transferred between launchers as long as the file path is correct. Console cross-save is not supported for most titles.

About Fallout 4

Fallout 4 is Bethesda's sprawling open-world RPG set two centuries after nuclear war devastated Boston. As the Sole Survivor freed from cryogenic stasis in Vault 111, you build settlements, craft weapons and power armor, and navigate the shifting loyalties of the Minutemen, Brotherhood of Steel, Railroad, and Institute.

This 100% complete save file lets you experience the game's endgame without the long grind — the main quest, every faction storyline, and all companion arcs are already finished, with a fully leveled character and perk chart ready to explore the Commonwealth.

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