How do I buy stock on Otcmkts?

I'm curious about purchasing stocks on Otcmkts. Can you walk me through the process, step by step? What information do I need to provide to set up an account? Are there any fees associated with buying and selling stocks on this platform? Additionally, what are the benefits and potential risks of investing in stocks listed on Otcmkts compared to other exchanges? I'd appreciate any insights you can provide to help me make an informed decision.