The power steering belt and alternater belt are real easy to change.
There is a spring under the alternator you need to depress it to loosen then take the belt off. i usually jam a large screwdriver and use it as a leaver.
Powersteering belt is removed by loosening 4 bolts that hold the brack to the bottom end, do not undo the bolts holding the powersteering pump.
Once the bolts are undone slightly you will see a big nut with teeth, simply move this closer with the slack remove the belt.
Refit and tighten up job done.