It is not possible to upgrade an existing Harmony remote account to a Harmony 900 account.
When upgrading to a Harmony 900 it is necessary to create a new account.
To create a new account:
- Launch the Logitech Harmony Remote Software Client
If the Logitech Harmony Remote Software is not installed on your computer, it can be downloaded by clicking here
- Click on Create New Account
- Follow the new user account creation wizard
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