What this hub is
Where OptiScaler runs and what changes per platform and API: Windows first, Linux through Proton/Wine.
OptiScaler 0.9.4 is a community translation layer for DirectX 11, DirectX 12 and Vulkan games. This host is an independent guide, not the official project site. Start from Download, then come back here for the per-game checks.
The safe order
- Back up the game folder.
- Extract the ZIP next to the main game executable.
- Launch offline and press Insert.
- Change one output at a time, and never test in online or anti-cheat protected games.
Pages in OptiScaler on Windows, Linux Proton, DX11, DX12 and Vulkan
- OptiScaler on Windows — Windows is the primary desktop environment: extract the ZIP next to the game executable, launch, and press Insert.
- OptiScaler on Linux through Proton — Linux use is possible in supported configurations, commonly through Proton or Wine, but Vulkan, driver, and upscaler requirements can differ from Windows.
- OptiScaler on DirectX 11 games — DirectX 11 is supported, although the available output methods and behavior can differ from DirectX 12.
- OptiScaler on DirectX 12 games — DirectX 12 has broad support and is also the API used by experimental OptiFG functionality.
- OptiScaler on Vulkan games — Vulkan support exists, but individual upscalers and games can require specific compatibility conditions.
- OptiScaler on AMD Radeon GPUs — FSR outputs are the usual target on Radeon. FSR4 depends on GPU capability, driver or SDK behavior and game compatibility, with fallback possible.
- OptiScaler on NVIDIA GeForce GPUs — Common route: a DLSS input redirected to an FSR or XeSS output for testing, or kept on DLSS with overlay tuning.
- OptiScaler on Intel Arc and integrated GPUs — XeSS output is the natural target on Intel hardware; availability still depends on the game's input and API path.
Frequently asked questions
What is OptiScaler?
OptiScaler is a community tool that can intercept supported in-game upscaler calls and redirect them to another supported upscaling backend, with additional tuning options.
How does OptiScaler work in a game?
The game exposes an input upscaler, OptiScaler sits between the game and the selected output backend, and the chosen output handles the final upscaling path where compatibility allows.
Does OptiScaler support DirectX 11?
Yes, DirectX 11 is supported, although the available output methods and behavior can differ from DirectX 12.
Does OptiScaler support DirectX 12?
Yes. DirectX 12 has broad support and is also the API used by experimental OptiFG functionality.
Facts that do not change
- Version: OptiScaler 0.9.4 (reference build, July 2026)
- APIs: DirectX 11, DirectX 12, Vulkan
- Upscalers: DLSS, FSR and XeSS inputs/outputs where compatible
- Frame generation: Experimental OptiFG (DirectX 12)
- Overlay: Insert key
- Install: ZIP extracted next to the main game executable
- Platform: Windows; Linux via Proton/Wine varies
- Site: Independent guide — not the official project site
Practical Checklist
- Keep original files backed up before changing the game folder.
- Test one setting or backend at a time.
- Avoid anti-cheat protected online sessions.
- Document the working configuration before updating.
Related Guides
Continue with the related guides in the sidebar for setup, compatibility, performance, or safety topics.
- OptiScaler FAQ: the official 20 questions, answered — Standalone URLs for the official site's 20 OptiScaler questions — APIs, overlay, FSR4, Linux, anti-cheat and the manager question.
- OptiScaler guides: install, FSR4, Linux, performance and safety — Step-by-step OptiScaler guides for installation, compatibility, performance, Linux, FSR4 and common user questions.
- OptiScaler on Windows — Windows is the primary desktop environment: extract the ZIP next to the game executable, launch, and press Insert.
- OptiScaler on Linux through Proton — Linux use is possible in supported configurations, commonly through Proton or Wine, but Vulkan, driver, and upscaler requirements can differ from Windows.
- OptiScaler on DirectX 11 games — DirectX 11 is supported, although the available output methods and behavior can differ from DirectX 12.
- OptiScaler on DirectX 12 games — DirectX 12 has broad support and is also the API used by experimental OptiFG functionality.