Once you learn what magic is and how it works, you will no longer need this question.
Before you begin casting spells, you need to know what magic is, how it works, and begin laying the foundations of your practice.
A spell is not magic. It is basically an elaborate wish to gain a desired result.
Magic is affecting change in accordance with one's will. Spells are not necessary, though they are very useful and many people choose to use them.