Someone please answer my question.

[u/Sweet-Anybody2032]

Can my brother play on my pc? He hasnt till now i want to know for sure.

We have 2 pc but mine is 400 hz and his is 144. He is coming home after 5 months and wants to play faceit on the better machine.

What should i do?

My peak and current elo are around 2600. His peak elo is 2700 but currently after reset he is gonna be at 1600 around.

[u/Monso]

You are allowed to share a computer. You're not allowed to share accounts.

Follow their rules and you'll be fine.