How to download older CS:GO versions and play it with friends
The recoil patterns and weapon balance in 2013 felt distinct, with different spray patterns for iconic guns like the AK-47 and M4A4. Csgo 2013 Version Download
If you want a specific build (e.g., from November 2013), use the Steam Console to download raw depots. Steam Community Guide :: How to Play 2013 CSGO In & On Steam? How to download older CS:GO versions and play
The skins you own in your current Steam inventory will not show up in the 2013 version. The game will revert to the default weapon models, or utilize the local weapon files as they existed in late 2013. The skins you own in your current Steam
So, if Google sends you to a direct steam://install/730 link, you will get CS2. You cannot "roll back" your official Steam copy to 2013 using legitimate Steam depot commands unless you miraculously have a backup from a decade ago.
However, the community has preserved the "Beta" builds.