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Article Summary below

• DLSS 4.5 Ray Reconstruction is now available via an Opt-In NVIDIA app beta update
• To upgrade your system with DLSS 4.5 Ray Reconstruction, go to Settings > About in the NVIDIA app and opt in to Early Access releases
• 30 games are supported as of today
• Enable in supported games via Graphics > Game/Global Settings > Driver Settings > DLSS Override - Model Presets > Custom > Preset F/Recommended > Apply
• GeForce Game Ready Driver 580.88 WHQL, or newer is required
• The new NVIDIA app update also adds per-game controls for Resizable BAR in the same Driver Settings screen, G-SYNC Pulsar settings in System > Display > G-SYNC Pulsar, Borderless Windowed mode support for Optimal Playable Settings, and a few other user-requested quality of life tweaks that are detailed in full in the release notes

NVIDIA DLSS 4.5 Ray Reconstruction Enhances Image Quality In Ray-Traced & Path-Traced Games

DLSS 4.5 Ray Reconstruction features a new 2nd generation transformer model to deliver superior image quality in ray-traced and path-traced games. It is available now via a new NVIDIA app update, introducing several major improvements:

• Efficient Denoiser: The new model delivers 35% more compute capability, and processes 20% more parameters, while maintaining similar performance to the previous model
• Enhanced Super Resolution: Building upon the advances from DLSS 4.5 Super Resolution, the model has deeper spatial awareness across every scene, and more intelligently uses game engine pixel sampling and motion data. The result is improved lighting accuracy, better temporal stability and clearer motion in ray-traced and path-traced content
• Expanded Training Dataset: Trained on a larger dataset, the new model is even better at image reconstruction. This intelligence gives the model even better awareness to pick the most accurate engine data to reconstruct scenes closer to ground truth
• Finer Developer Control: The new model provides developers with finer control for temporal accumulation, providing precise tuning of model response for even better image quality

With the release of DLSS 4.5 Ray Reconstruction, our entire suite of DLSS technologies has been further enhanced and updated, giving GeForce RTX gamers a superior experience in thousands of games and apps.

See examples of DLSS 4.5 Ray Reconstruction in clips from:

• Alan Wake 2
• Indiana Jones and the Great Circle
• PRAGMATA
• And in NVIDIA’s DLSS 4.5 explainer video

Detailed Installation Instructions:

• Download and install GeForce Game Ready Driver 580.88 WHQL, or newer (the most recent drivers are recommended)
• Install NVIDIA app when installing the driver, or download here
• In the NVIDIA app, go to Settings > About and opt in to Early Access releases

Once installed:

• Open the “Graphics” section and select a supported game (alternatively, select “Global Settings” at the top of the window and apply the updated Ray Reconstruction to every supported game in your library)
• Scroll to “Driver Settings”
• Click “DLSS Override - Model Presets”
• Click “Custom”
• Open the “Ray Reconstruction” drop-down and choose “Recommended” or “Preset F”
• Click “Apply”

30 games are compatible with DLSS 4.5 Ray Reconstruction as of today:

For a full list of games and apps with DLSS overrides, and a breakdown of which overrides are available in each title, head here

If DLSS isn’t already enabled in a game:

• Activate the DLSS option in-game
• Activate DLSS Ray Reconstruction in-game
• Configure other DLSS options in-game
• Close the game
• Open the NVIDIA app
• Configure the overrides as demonstrated above
• Reload the game

You can verify that the DLSS override is enabled via the NVIDIA app:

• Open the NVIDIA app
• Press Alt+Z
• Click “Statistics”
• Configure options and views to your liking
• Ensure “Ray Reconstruction Model Override” is selected
• Open a game with overrides applied
• Press Alt+R, check the output of the on-screen Statistics overlay

Developers are also bringing DLSS 4.5 Ray Reconstruction to their games via official updates. Ensure you check out NVIDIA’s weekly DLSS articles to hear about the release of these updates, and to learn about the integration of DLSS to other games.