IR Renewal profile
Ramshorn
Refresher time depends on how much you've flown over the last year - basically whatever it takes to get you to a standard where you can fly the profile in limits.
IRR profile in the sim includes almost all of the IR exercises you did on your initial test except the limited panel climbs and descents.
Typically, it is some variation on: departure, (usually short) route, limited panel (turns and unusual attitude recoveries), hold, non-precision (normally ndb) approach, engine failure in the go-around, single-engine (s/e) ils, s/e go-around, s/e low level circuit to (s/e) land.
At least one approach has to be procedural and one approach has to be s/e (examiner's discretion).
(Depending on the visuals in the sim) you may get some 'help' positioning around the circuit.
And just a reminder - you can't do your MEP renewal in the sim - just the IR.
Hope this helps!