If i buy a skin and dont have any upgrades on this weapon yet i can only buy one skin (for example a green skin), but there is a blue one too - can i unlock the blue one after i bought the green one OR do i have to first upgrade the weapon...

Recently climbed from S2 to D2 and I’ve noticed a lot while climbing 1. Dont be afraid to die! - time and time again I see people standing around near spawn on attack waiting for the defending team to do something or 1 of the duellists to...