Thanks For Downloading Optifine 1.19.1 Here

If you're looking for even higher performance (FPS) on 1.19.1, consider looking into Fabric with Sodium and Lithium. If you run into issues, let me know: Are you using Forge or a vanilla installation ? Did you get a Java error ? I can provide the specific steps to fix it. How to Download & Install Optifine in Minecraft 1.19.1

Glad I could help you get set up with OptiFine 1.19.1! It makes a massive difference for performance and shaders in Minecraft. Thanks for downloading Optifine 1.19.1

To use it with Forge, just drop the downloaded file into your /mods folder. If you're looking for even higher performance (FPS) on 1