Help Ovulation test

So I’ve been trying for over a year to get pregnant my last pregnancy ended in a stillborn five years ago and I’ve been using this app to try to track my cycles and taking my temperature I’ve never used ovulation test before. I recently just ordered a bulk order off of Amazon and I’m curious as how to I use them do I take them every day more than once a day I also just got off of my period yesterday and just received the ovulation kit today can someone please help me with some advice as toHow to use the test and when I should test please and thank you