Mate,
looks to me, you’re pushing the wrong buttons. Unfortunately I’ve got a non-English admin-interface so I’m translating from my backend into English – try to find anything similar to that…
You need to adjust the settings of your perma-links first. You find those under an option called (or similar to that)
-> SETTINGS –>> permalinks
more information on permalinks you’ll find here
Using Permalinks
If that doesn’t work, you must check with your host, if your hosting plan meets the minimum requirements for “pretty urls”. At this point, I simply presume you know how to do that – if not – come back, OK?
Good luck!