Russy says his fps increased from around 40 to 100 after installing sodium. Billions must download
Sodium:
https://www.modrinth.com/mod/sodiumSodium extra: (adds extra visual options like disabling fog in nether - russy must investigate)
https://www.modrinth.com/mod/sodium-extraBobby: (massive serverside chunk render distance with little performance inpact)
https://www.modrinth.com/mod/bobbyYou download them and put the .jar files in the /mods folder in your minecraft!!
If you are using tlauncher it's even easier to install them, tlauncher has a built-in mod thingy