How to install CSO2 on Windows

Download the Counter-Strike Online 2 launcher, choose an installation folder, and let it download and verify the game files.

Download the Windows launcher

Open the launcher from the download page. The launcher opens its installation screen when it detects missing game files. Use the SHA-256 value on the download page to check that your copy matches the published file.

Choose a folder and start the download

Choose a folder you can write to with enough free space for the game. The progress screen shows the current file and the number of bytes transferred. The launcher downloads the game files separately and checks their integrity.

Resume an interrupted installation

If your connection drops, retry from the launcher. It checks the size and SHA-256 of completed files and skips those that pass verification. When the installation finishes, continue to the game. You use your account when the sign-in screen opens.