How do I open a Box folder?

Excuse me, could you please explain the process of opening a Box folder in simple terms? I'm a bit new to this and would appreciate it if you could guide me through the steps, from logging in to navigating to the specific folder I need to access. Also, would you mind sharing any tips or best practices that could help me make the most out of using Box for my files and documents? Thank you in advance for your assistance.