I got Greek Keyboard!!!! Ι γοτ Γρεεκ Κευβοαρδ!!!!
I needed to do these steps to do it:
Set your keyboard language
1.Click your account photo. 2.Click Settings Settings and then Advanced. 3.In the "Languages and input" section, click Input method. 4.Click Manage input methods. 5.Check the boxes next to the keyboard languages you'd like to use. 6.Click Back Back. 7.Optional: To see all your keyboard language options on your desktop, 8.turn on Show input options in the shelf.
Which operating system and browserr did you do this in? It may take different steps on Windows, Mac, Unix etc. and on Chrome, Firefox, etc. ;)