If you are keen to acquire both GUI design and graphic design skills, here are some tips to get you started. It is important to understand the basics of design theory, such as color, typography, layout, and composition. Additionally, you should be familiar with the tools and software that are commonly used in both fields, such as Photoshop, Illustrator, Sketch, Figma, or Adobe XD. Furthermore, it is necessary to be aware of the best practices and guidelines for different platforms and devices, such as web, mobile, desktop, or wearable. You should also take advantage of the examples and inspiration of other designers; this can include portfolios, blogs, podcasts, or online courses. Finally, it is beneficial to learn by doing and experimenting with different projects, challenges, or exercises that test your skills and knowledge.