Install the extension t3manager via TYPO3 Extension Manager or by downloading the package from the TYPO3 Extension Repository.
Open the TYPO3 Extension Manager in Admin Tools> Ext Manager and select the extension t3manager. For correct operation, please check the following settings.
1. Authentication Key
Log in and go to My t3manager> Settings. Copy your authentication key and insert it into the appropriate field. The authentication key is used to connect your TYPO3 installation with your t3manager Account.
2. IP Address
In the input field IP address must be registered 213 133 103 113. This IP address allows t3manager to call the t3manager extension on your system.
3. Exclude Extensions
In the field Exclude Extensions, enter all Extension Keys comma-separated which you don't want to monitor with the t3manager. Default are tsconfig_help, context_help, extra_page_cm_options, css_styled_content, install.
4. More options
Here you can decide how much information should be listed in the t3manager.
Go to My t3manager> Add new page and paste the address of your website. A few minutes later you will receive detailed information about your TYPO3 installation.