See Cannot Connect To Internet After Using Unlocker
In order to use unlockers on steam you'll need a SSL Bypass, enable the options SSL Bypass in your unlocker settings and start the game with it.
If you have any troubles with it check the documentation here.
If you have Eclipsed.top unlocker active check your ban status.
If this is the case, please be aware that a ban on your account is permanent and will never be revoked.
You can find cheap alternate accounts at Eldorado.gg and G2G.