Setting user preferences is only possible once logged in with a user account. Once you are logged in, you can access the user preferences section by clicking on the user profile icon at the top of page. Click on My Account Settings from this menu to access your preferences.
The following options are available inside My Account Settings:
Adjust the caption text size, font family, font color, background color behind the caption text, and set captions to always display on videos.
All page tools are set to active by default. Use your mouse to drag page tools up and down to reorder them. This will change the order you see them in from left to right on the player page. Moving page tools over to the left side using the middle arrows will remove them from view on the player page.