"I am not here to explain all the aspects of dealing with this technology, including considering the sources steb-by-step, so to that you'll just have to use the built-in version of it to deal with later on."
I think someone was writing too quickly. I think it was intended to be "so for that". I'm not here to explain all of the details, so for that(i.e., therefore, for all the details) you'll have to ...
Alternately, the word "understand" or some synonym was omitted by mistake. I'm not here to ..., so to understand that, you'll have to ...