You can follow techniques from a book if you like. We do have some free tutorials for that: scroll down to the link for the Simple English evocation guide here:
You might not sense anything if your psychic senses are not developed, but they always come and you can ask for signs, omens and dreams to help you get info. We have a bunch of tutorials on that, some of which are collected here but the Search feature is always helpful to find more (the forum is 11 years young and there’s a lot of conversation going on about… everything):
Here is a getting started with magick guide. You’ll want to get your spiritual hygiene sorted out to avoid issues with parasites and impostors, and start work on developing your astral senses, then when you feel confident try the evocation guides we have on here.