How do I pay bits?

Excuse me, I'm new to the world of cryptocurrency and I'm a bit confused about how to pay using bits. Could you please explain the process to me? I've heard that bits are a convenient way to make small transactions, but I'm not sure how to go about it. Do I need a special wallet or an exchange account? Is there a specific platform I should use? I'd appreciate any guidance you can provide on how to pay using bits in a secure and efficient manner.