1) first install the Morotola XT532 drivers and enable USB debugging on phone (settings/applications/development)
2) install SUT1.75, it is in the zip file from the previous.
3) Run SUT1.75, choose the corresponding file (FXX_PR3_NV.xml) which is in the root.zip in the zip file from the previous post, when "Task 2 of 2 finished", click "Finish",
then your phone reboots
4) run superoneclick (also in the zip), press root and voila, your XT532 is rooted
You can find related files on internet.
You can search "XT532 ROOT Android forum" on google and you can find out the