First, you need an NVIDIA RTX 30 or a 40 series graphic card. Then go to NVIDIA control panel, Click on the box that high light yellow. (Image above) Type in about:config in the place you type in URL. Type in the below code in to the search bar Code: gfx.webrender.super-resolution.nvidia Click on the change sign above and make sure it's true. Close Firefox and restart, and all your research material launch from Firefox will be upscale. Oh, btw, Firefox don't support HDR.