So a week ago I bought a new monitor which is 240hz but the second I started playing my aim just got worse. Does someone have any ideas why that is

Hey, i need help with how to change valorant voice lines of agents n stuff while still keeping english text... well i have tried doing batch files and stuff but it isnt working. so if you have a method to do this please reply as i wanna...

So whenever I play Valorant with my one friend, he always yells at me and gets pissed at everything I do. Usually just things like "Why are you so bad," "What are you doing," "Why are you bottom fragging," "Why do you never heal me," so on...