Sign in, Help, About, and Notifications
The icons for Sign in (1), Help (2), About (3), and Notifications (4) are located at the top right of the ribbon, as shown below.

Sign in
Signing in to your Trimble Identity gives you access to a greater number of online resources.
You can sign in to one service and then browse to another online service without a need to log in again. Find the services landing page here: http://www.tekla.com/services
Help
Click this icon to open the online version of this product guide in Tekla User Assistance. You can also press F1 to access the product guide. When a dialog box is active you can press F1 to quickly access the correct help page in the product guide.
About
Clicking this icon to displays the program version number, your customer number and provides access to the Trimble privacy policy.
Notifications
When a notification arrives, a colored symbol is displayed on the Notifications icon. Click the icon to open the Notifications pane.