Help needed for brand new first time grower!

[Olaf22]

HELP NEEDED! Hello! First time grower growing Zkittlez Auto from The Bakery. Week 3 + a few days in. I’m using a cheap grow light from Amazon (3 headed full spectrum LED, thoughts?? I’m really novice and just wanted to get my feet wet with one plant and test the waters). I’m not sure how my grow is going, but recently noticed that few leaves are wilting, inwards/outwards but they were extremely erect before. Could I be doing something wrong? It’s not showing signs of yellowing, in fact in real life it’s a deeper green vs the picture. My soil is a professional potting soil, professional grade with 20-20-20 NPK. Haven’t thought about introducing any other nutrients yet, but should I? Any help and advice would be really appreciated - I don’t really know what I’m doing just trying to get some nice buds as a final result

 

[Gluteous]

Welcome to the site. I'd be skeptical on that 20-20-20 stuff. Seems like Miracle Grow grade stuff. Everything you need to know to get started is on this site. I'd start with the article about soil.
https://www.growweedeasy.com/basics#soil

 

[gbauto]

Overall, it looks good.
I think that you'll be fine with the soil.
If it is pre-charged with nutes(especially if they are time-released), I would just water until you see signs of deficiencies developing and then start a normal feed schedule.
Lighting is also a critical element of a successful grow.
Can you give us some more info on your grow?