Root Miui 1.3.25 d2ext

[kuobob]

I am thinking of flashing the MIUI XJ D2EXT X-PART 1.3.25 - 2.3 GS 3P x1 version of MIUI from [MIUI] 1.3.25 Htc Desire Roms .
Do I just go into recovery, wipe data and then flash the rom?
And what partitions do I need for the rom?