@WereCat Yes, i even reseted my pc it took me 4 hours to fully reset HDD and SSD there were some kind of sector problems on my Hdd i fixed them and i installed Windows 10 home on my pc i had Windows 10 Pro N, so when i reseted my pc i installed every windows update and downloaded the latest graphics card drivers and motherboard drivers and checked everything was up to date, then i disabled fast startup, game bar, game dvr and game mode. Changed nvidia settings in fortnite prefer maximum performance, etc and i have a 60Hz monitor.