Question some old version?

can i download csgo version from 2017 for example? or is it no longer possible to download?
i think its not possible im not sure though. a long time ago like a year ago i asked the owner of the website and he said there wasnt a version but that might be false since his reply was not really that good of english so yeah. there is a guy named tahir merza on youtube i think who has a version from 2017 but im not able to download it since my mega storage is full.
 
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