After you have activated your online TSS in step 1 better make sure if your TSE is activated.
For this simply click on "TSE" in the menu on the left in MY orderbird. Now you can see the status of your online TSS: If there is a green dot next to the serial number of the online TSE, then it is running :)
This is what a healthy TSS looks like:
If your online TSE is not live right after activation, wait about an hour. If it still doesn't look good, please contact us in support!