Please help...

Hello, I Have 1 question how do i make an alt account on steam so that i can test multiplayer hacks on it. Without banning my main. I've tried family mode thing but it didnt allow me to play online and says i need a license so How can i play online with an alt?

My Regards,
<3

Buy new cs go in new steam account. There are any another solves. And don't connect the steam accounts in the same phone number.

What if it gets vac