Every new beekeeper learns how to make frames. Some will learn from youtube, others will learn from their local BKA and may be tested on 'the process' when they do their Basic Assessment. Each beekeeper will, in time, develop their own way of putting frames together.
This is my way, it isn't perfect but it works for me.
Your frames order will probably be packed in a large, heavy, box
containing separate bundles of each part - top bars, side bars and
bottom bars. If you aren't going to use them straight away you should
store them flat, otherwise they can twist or warp with changes in
temperature and