If you are new around here, and new to magick/spell-casting, there are some links here on the site that you could check out which may be helpful to you.
If you scroll to the bottom left-hand corner, you will notice a "help" section. Under this section you will find Newbie Central, Tips(for spellcasting) and FAQs. I definitely recommend you read through some of those. If you go to the top tabs and click "Articles" it will take you to the featured articles- read through some of these as well.
Most people suggest you start with what is known as "the basics". You can type this phrase into the search bar in the top right-hand corner of the site and multiple articles/forum threads will pop up for you to browse.
Here's an article to help you out: