: Set to Performance - Lower Graphical Fidelity .
: Keep at 100% for clarity, but lower it to 75-80% if you are on a very low-end PC. Fortnite 1000 FPS Boost Tweak
: Switch to Ultimate Performance or High Performance (found in Control Panel > Power Options). : Set to Performance - Lower Graphical Fidelity
: Set to Unlimited (to see your maximum potential). Fortnite 1000 FPS Boost Tweak
Several community tools automate these deep-system tweaks. Users often report seeing their FPS double after using them.