Install & Account

PC Version Install

You can download, install, and play UNDECEMBER through STEAM

Installing and Playing UNDECEMBER

Push ‘Install’ from STEAM’s UNDECEMBER page to install UNDECEMBER. After the installation is completed, push ‘Play’ to launch the game client.

If there is an update available, the game will be updated first. You must push ‘Play’ again once the update is completed.


Last updated on October 12, 2022.