The ideal way to install is to figure where you want to place it, then recess it into the concrete. Allows you to park the bike on it, or even park a car over it, just watch out for the vise. That's how mine will be as soon as I build a "real" garage!
Exactly what I did when I built my new house two years ago. The lift is flush with the floor, I don't have to mess with any ramps and can still pull a cage into my work area if need be. A couple of tips for those considering doing this ( I spent a lot of time thinking about my setup before I actually built it):
1. Be sure to run a 1.25" conduit under the floor, into the pit that will hold the lift, so you can feed your air line under the floor and not be tripping on it. I used a "sweep" on the conduit to bring the pipe up out of the floor along the wall, where my foot valve can be left hooked up and just pushed under the bench when not used.
2. If you just put the lift into a concrete pit it will shift around just from running up and down. Cut a piece of 1/8" steel plate the size of your pit, drop it in before the lift goes in. Position the lift in the hole, run it up/down a few times to verify clearance, then weld a pair of 1/8 x 1.5 x 16 angle irons to the steel floor plate--one angle iron in front and one in back of the fixed "foot" on the lift. This keeps the lift from walking, and the steel plate allows the rollers on the lift to work smoothly and without working the lift for and aft. The steel plate seems to make it easier to find bits that have dropped into the pit, also
3. Buy a small fridge for the garage so all your friends who want to use the lift can keep the beer supply replenished...