Uploaded May 2026 | Updated September 2026, 1 week ago

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Guide to using FSR 4 INT8 Upscaler & Optiscaler XeSS Frame Generation / DLSS Enable FSR 3.1 Multi Frame Generation on AMD RDNA 3 GPUs in Forza Horizon 6 . Tested on Rog Ally Z1 Extreme Bazzite OS Linux with 4gb UMA Buffer Size . Video recorded using Poco F5 . Ambient Temperature : 30 degree Celsius .

Timestamp :

- Forza Horizon 6 Linux : 00:00
- Review Copy : 00:29
- FSR 4 + Optiscaler XeFG / DLSS Enabler FSR 3.1 MFG : 00:39
- Ingame FSR 3.1 & XeSS Upscalers : 01:18
- Risk of Ban From Using Mods : 01:31
- Download Optiscaler Mod v0.9.2a : 01:49
- Download DLSS Enabler Mod : 02:03
- Download FSR 4 INT8 Upscaler : 02:46
- Official FSR 4 Upscaler Support : 03:02
- FSR 4 INT8 Upscaler Setup : 03:20
- Optiscaler Mod v0.9.2a Mod Setup for XeFG : 03:57
- Using Proton Hotfix : 05:35
- Bazzite OS System Info / Handheld Daemon Settings : 05:57
- Game Launch / Performance QAM Settings : 06:40
- Game Settings : 07:01
- Optiscaler settings : 08:23
- Free Roam [720p FSR 4 Native AA + No Frame Gen] : 09:34
- Race [720p FSR 4 Native AA + No Frame Gen] : 10:49
- Enable XeSS Frame Gen Using DLSSG via Streamline FG Source : 12:09
- XeSS Frame Gen Debug View / Show Detected UI : 12:58
- Free Roam [720p FSR 4 Native AA + XeSS 2x Frame Gen] : 13:20
- Enable FSR 4 INT8 Upscaler : 15:02
- Free Roam [720p FSR 4 Quality + XeSS 2x Frame Gen] : 15:22
- Race [720p FSR 4 Quality + XeSS 2x Frame Gen] : 16:01
- Delete Optiscaler Mod v0.9.2a Files / Restore Game Files : 17:32
- DLSS Enabler Setup : 18:23
- FSR 4 INT8 Upscaler Setup : 19:02
- Launch Argument For DLSS Enabler : 19:57
- Generate Optiscaler.ini File : 20:16
- Optiscaler.ini Tweaks : 20:34
- Game Settings : 21:14
- Optiscaler Settings : 21:52
- DLSS Enabler Settings [Fix Car Bumper Ghosting] : 23:03
- Free Roam [720p FSR 4 Native AA + FSR 3x Frame Gen] : 24:07
- Free Roam [720p FSR 4 Native AA + FSR 4x Frame Gen] : 26:35
- Enable 5x or 6x Mode of FSR 3.1 Multi Frame Gen : 27:17
- Free Roam [720p FSR 4 Native AA + FSR 6x Frame Gen] : 27:37

Rog Ally Bazzite OS & Windows Dual Boot Setup Guide | Linux Based Bloatfree Steam OS Like Experience :

youtu.be/loKLgnUhXJ0?si=ndX2s15QMcdAmUNn

Optiscaler / DLSS enabler Discord :

discord.gg/wEyd9w4hG5

DLSS Enabler Nexus Mod :

nexusmods.com/site/mods/757

DLSS Enabler Test build for Forza Horizon 6 [Google Drive] :

drive.google.com/file/d/1hbpRosBnO_ByW8-tIkwIbhUWveaN9phu/view?usp=sharing

Optiscaler Github :

github.com/optiscaler/OptiScaler/releases/tag/v0.9.2

Controller used in the video is Flydigi Vader 4 Pro , review link :

youtu.be/EhfkZun9RPs?si=KGUQ_R3YtpAIPb4S

Launch Argument for DLSS Enabler :

WINEDLLOVERRIDES="dxgi=n,b" %command%

Disclosure: I received a free review copy of this product from keymailer.co

Series 1 Hotfix 1 Update Log :

store.steampowered.com/news/app/2483190/view/670617245259400274?l=english

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