Part 1: Login
Start up Eikon and wait for the automatic script to log you into the database. See the instructions here.
Part 2: Install Add-On
[If necessary: Go to Windows Taskbar > Start > All Programs > "Thomson Reuters" folder > Thomson Reuters Eikon Microsoft Excel. Wait for Excel to start.]
In Excel, go to the Thomson Reuters tab > Sign in
Once Sign In is successful, you will see the following ribbon.
Click on "Add-Ons" button to view the Add-Ons for Thomson Reuters.
If the button says “Restart Required” , restart MS Excel (not the computer).
If the button says “Install”, click Install and wait for the word “Restart Required” to display. Do for both and then once completed, restart Excel.
Part 3: After restarting Excel
You should see the "Thomson Reuters Datastream" tab appear: