Steam will automatically begin downloading the CS:GO files (roughly ) as an update. Downloading CS:GO as a Separate App
Downloading and installing has changed since the release of Counter-Strike 2 (CS2), which officially replaced it on Steam. Depending on your needs, you can still access the "Legacy" version of CS:GO or even download it as a separate application. How to Download CS:GO (Legacy Version)
If available for your region/account, you can install it directly from its own dedicated Steam page.
Under , select "csgo_legacy - Legacy Version of CS:GO" .
: Once downloaded, you must add the csgo.exe as a Non-Steam Game to your library and use the -steam launch option to ensure it runs correctly. Installation Details Update & Installation Issues - Steam Support
: Use the SteamDB website to find specific manifest IDs for the version you want. You then run commands via your terminal to pull those exact files from Valve's servers.
: You need a Steam account that owns Counter-Strike and the Depot Downloader tool.
Recent updates have made it possible to install CS:GO as its own application without relying on the legacy branch of CS2. on the Steam Store .