bla bla bla ill get to writing this later
All you have to do is clone this repository as custom in steamapps/common/Team Fortress 2/tf, load all submodules, and it’s good to go.
I would recommend this set of startup options with this config:
-freq 74 -w 1366 -w 768 -high -windowed -noborder -novid -nohltv -nojoy -nosteamcontroller -softparticlesdefaultoff -limitvsconst -reusue -dxlevel 90 -threads 7 -affinity 3 -gl_enablesamplerobjects +exec autoexec