I have to also agree that it isnāt worth the time if you really want to learn.
If so, you really should start over with an indoor autoflower grow to start with. Hereās what Iād do if I were you:
First off, you said you have bought a light, what kind is it? If itās of a decent type and strength then all you really need to get started growing indoors is a inexpensive tent thatās size proportional to your lights size/strength, a timer, an extractor fan and carbon filter setup, 5-10gal pots, some good potting soil with organic amendments like Sunshine Mix #4 (which is what I use) or
Fox Farm Ocean forest, a one part fertilizer such as TPS One (follow the correct feeding chart for your type of plants), but only at 1/2 recommended dosage), and order yourself some good feminized autoflower seeds to start out with. Get a quick finishing strain (some strains of autoflower grow from seed to harvest in only around 60-70 days) that is easy to grow and resistant to pests.
Set the timer to 20/4 and plant seeds directly into pot that youāll be finishing in as autos have such a short life that transplanting can really stunt them badly amd have a big effect on your end harvest weight.
Always keep your grow area clean to avoid pest issues and change outside clothes before working on indoor garden to reduce risk of bringing any pests in from outside into your grow.
And buy and read a good grow book or three. Theyāre readily avail of Amazon, like everything else, these days. Lol.
Good luck man, a little work and a little reading and youāll be growing your own killer stash in no time.