Different tuners have different mountings, but in general: A drill press makes a dandy light-duty press for installing bushings, pre-drill the screw holes (taking care not to go through all the way), and make sure you've got a screw driver which really fits those little screws.
If you haven't already done so, drill the 1/16" string holes in the bridge all the way down through the top and the bridge plate. Push the string down the hole until you can see the end of it through the sound hole. Fish the end out and tie a small bead to it. (If you can't find any beads, cut off tiny lengths of the plastic ink tube inside a ball point pen and use those - they work great.) Pull the string back up out of the bridge till it stops against the bead. It's easier to do all four before starting to hook them to the tuners.
Poke each string through the tuner peg, wrap it around a couple times, then tighten it up with the peg. Now you have to decide if you're going to cut off the excess, or be one of those weirdos who forms the excess into neat little loops, for no apparent reason. Your call :-)
Next: Adjust the action at the nut
If you find any of this helpful I'd certainly appreciate a "tip" :-)