While CS2 has all the markings of a new game, it actually wasn't released separately alongside CSGO. CS2 completely replaced CSGO. You'll notice that it has taken over it's spot in the Steam store too. It's retained all previous reviews from CSGO and all CSGO skins and items are now CS2 skins and items.
Ir para Configurações > Geral >>
Sobre.direita do número do modelo, você encontrará a parte
número. Para encontrar o número do modelo, toque na parte
Número.