---
title: Fallout 4 RTX 4090 setup | DLSS 5 Swapper
description: Fallout 4 RTX 4090 setup with DLSS 5 Swapper v2.2.9. Community runtime unlock with 24 GB VRAM headroom. Free Windows app. Updated 2026-10-14.
canonical: https://dlss5swap.com/paths/fallout-4-rtx-4090
updated: 2026-10-14
---

# Fallout 4 RTX 4090 setup

Search page for Fallout 4 + RTX 4090 setup. Community runtime unlock with 24 GB VRAM headroom.

## Facts (2026-10-14)

- **Product:** DLSS 5 Swapper v2.2.9
- **Price:** Free
- **License:** MIT
- **Platform:** Windows 10/11 x64
- **Publisher:** Rakan Alkhaldi (community project)
- **Bundled DLSS:** 310.9.1 (SR / RR Preset F / FG)
- **Last reviewed:** 2026-10-14
- **Query:** Fallout 4 RTX 4090 setup
- **Game:** Fallout 4
- **Route:** RTX 4090 setup
- **Route API:** Ada / Feeder

## Fallout 4 + RTX 4090 setup (2026-10-14)

| Item | Value |
| --- | --- |
| Search query | Fallout 4 RTX 4090 setup |
| Also typed as | RTX 4090 setup Fallout 4 |
| Tool | DLSS 5 Swapper v2.2.9 |
| Route API | Ada / Feeder |
| Price | Free |
| Undo | Restore originals |

## What "Fallout 4 RTX 4090 setup" means here

Queries like "Fallout 4 RTX 4090 setup guide" and "Fallout 4 DLSS 5 setup" map to this URL. The route is Ada / Feeder; the game stays a RPG shooter title from Steam.

Fallout 4 is RPG shooter. Route API: Ada / Feeder. Swapper runs on Windows. Restore originals reverses the install. Single-player only for injected routes.

Community runtime unlock with 24 GB VRAM headroom. Updated component set: DLSS 310.9.1, Feeder 1.17.0, RenoDX 6.5.3, OptiScaler 0.8.92, ReShade 6.8.0, dgVoodoo2 2.87.5.

## Install, tune, restore

1. Open Fallout 4 in Swapper.

2. Install the RTX 4090 setup route.

3. Launch borderless and press F8 where supported.

4. Keep the backup; restore before patches, backend switches or online play.

## FAQ

### Can Swapper do RTX 4090 setup in Fallout 4?

Yes. Community runtime unlock with 24 GB VRAM headroom. Install the route, test borderless, tune F8 where supported, and keep the backup.

### Do I need native DLSS in Fallout 4?

No. Native builds upgrade in place; otherwise the Feeder route supplies neural inputs.

### How do I undo everything?

Select the game and click Restore originals. Uninstalling the app alone does not touch game folders.

### What does the F8 overlay do?

It opens Swapper's own panel over 64-bit DX11/DX12 Feeder and RenoDX games so you can move Style, Intensity, Structure, Skin and stabiliser sliders live.

## Related

- [Every Fallout 4 DLSS 5 route](https://dlss5swap.com/paths/game/fallout-4-dlss5)
- [Fallout 4 — DLSS 5](https://dlss5swap.com/swap/fallout-4-dlss5)
- [Every game on every RTX route](https://dlss5swap.com/paths)

## Download

Free Windows app: [Download DLSS 5 Swapper v2.2.9](https://dlss5swap.com/download)

Markdown mirror: https://dlss5swap.com/paths/fallout-4-rtx-4090.md