You may remain signed in for up to 30 days on the same device, unless you have logged out of your account or you are signed in on another device at the same time.
However, if you share your device with other people, we recommend that you log out of your account after each use.
１. Go to ClassDo.com, and click Sign In.
２. Choose how you have signed up for ClassDo:
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３. You will be automatically directed to the room last used.
