In future, I'd save your money and just buy regular ATF.
Fill reservoir -> start car -> top up if needed and steer car slowly left to right, continuing to top up as required
You need to bleed all the air out of the system. For what its worth, they seem to be a pretty strong pump. When i put my new engine in, I ran the car up to temp and checked over it, forgetting all about power steering (was empty) ran the car for probably half an hour all up with no fluid (mind you I didn't turn the wheel) and the pump is still going strong today