Hi I'm on probation and my probation is almost over and I want to travel to europe what do I have to do to get permission?

Wait until probation is over (depending on the time frame) OR ask your PO for permission.

Chances are slim and none that you will be allowed to leave the country until your probation is completed successfully and your probation is terminated. If this is for a vacation, forget it, as you won't be granted permission to leave. Whatever you do, do NOT leave the country unless you have somehow obtained prior written permission from the probation dept to actually leave the country as you will have a very hard time trying to get back into this country without those papers and will end up in jail waiting for a probation violation hearing in short order. Just wait. It'll be over soon and then you can leave this country and go wherever you please whenever you please.