I think your going to have to be a little more specific about the questions you are asking. Do you mean what do u take as part of a PCT or as in like after you start using as part of a on-cycle support? Knowing the ins and outs is what this forum is designed for try searching in the anabolics section about the 2 compounds you are interested in, as well as the Post Cycle Therapy sections as well. I am sure there are plenty of logs on tren and whinny so If i where you i would look those up as well.
Is this your first cycle? you may wanna try something a little less intense and noob friendly such as h-drol before jumping into it.
I would highly suggest you do at least a couple weeks to months of planning before you attempt taking anything in the PH/AAS category though to understand exactly what you are getting into.