Problem with High Ping and fps

[cybermk]

Heloo everybody j am new to the forum, j havent played cs 1.6 for a long time, today j downloaded counter strike 1.6 from here 0https://cs16.info/ j am on windows 10 x64, havent got problem with download or install but j have problem when j join a server my ping goes from 20 - 100 when j press tab it goes over 150, loss 0 choke 0 but fps sometimes also drops for 100 to 60 ..What can be the problem ?

My user config
fps_max 100
gl_vsync 0
ex_interp 0.01
cl_shadows 0
cl_weather 0
rate 25000

This happend offten on map de_inferno

https://i2.paste.pics/eeeab9cc411fd5eacb949abf5b327be4.png