You have already created a slicer and table in previous topic. Now we will see some options for formatting slicers  

Try Following Formatting Options

1. Selecting multiple values

In the "Format" pane - Click on "Slicer Setting" - Click on "Selection" - turn off the button named "Multi select with control" - now you will be able to select multiple options in slicer.

 2. Change orientation of slicers

In the "Format" pane - Click on "Slicer Setting" - Click on "Options" - In the options tab under "Style" select "Title" - now you observe that the orientation of the slicer has been changed.