Hi Noordzeehaai,
Welcome to Microsoft Answers Community Forum!
In order to used the docked feature for your keyboard, try performing the following steps:
a. Click Windows Logo (Start) -> In Start-Search type: Regional and Language Options, press enter.
b. Click Keyboards and Languages tab,
c. Click Change keyboards, a new window will open.
d. In the Text Services and Input Language window, click Language Bar tab, here if the radio button for the Language Bar is on Hidden, change it to Docked in the taskbar, click OK on the remaining windows.
Note: clicking the Advance Key Settings will allow you to use a keyboard shortcut to switch your languages.
Also suggest you to check the below mentioned link for additional information:
http://windows.microsoft.com/en-US/windows7/The-Language-bar-overview
Hope this helps!
Thanks & Regards,
Supreeth - Microsoft Support.
Visit our Microsoft Answers Feedback Forum
http://social.answers.microsoft.com/Forums/en-US/answersfeedback/threads/ and let us know what you think