Nowadays, there are graphic design tools in the market. For a beginner, you can consider these software for a start.
Adobe Photoshop and illustrator can be beneficial for most fields, while tools such as Figma would be used more for UI designing.
Canva is another popular graphic design platform for templates and vector images. It is a good choice for designing web/print documents, social media content, cards, and manipulating images etc.
CorelDraw is a good option for creating vector images. Beginners can easily navigate and manipulate the tool, enabling them to create stunning illustrations.
There are many videos online to learn more.