What are the best ways to prepare for internships to careers?
I'm not sure what year you are right now, but as long as you're not a senior, you are in a perfect spot because you have the opportunity to apply for school internships all the way up until the summer of your senior year. And, even you might still be able to apply for some internships.
Without knowing much about your situation, I would say you should:
1) Get a resume put together--and feel free to share that on Huttle too and we can help you out
2) Start combing sites like indeed.com, Linkedin Jobs, and glassdoor for student internships related to your major or career
3) Apply to a few and wait to hear back
4) If you're not hearing back, go back and work on your resume.
5) Repeat steps 1-4.
This is an over simplification of the process, but this is a good way to get started. And, please you reply back with some more detail, we can dive deeper into your situation!