If you do not get your worklist, it is most likely because you have not set it up. That is the case if the window looks something like this:
Then you click the Setup-icon, shown in the green circle in the picture.
A new window will then come up. Here you choose the worklist that you want to use and then again click the Setup-icon as you did in the previous window. Then this window will come up and you can choose how often you want it to be shown.
Then you click “Ok” and the working list is now set up and you will be able to choose it when you open the worklist again.