How do I buy Bitcoin (BTC) on bit exchange?

Could you elaborate on the process of purchasing Bitcoin (BTC) on a bit exchange? As a potential investor in the cryptocurrency market, I'm interested in understanding the steps involved in acquiring BTC through this specific platform. Specifically, I'd like to know about the necessary account setup, verification procedures, funding methods, and ultimately, how to execute the purchase transaction. Additionally, I'm curious about any fees associated with the transaction and any security measures the bit exchange takes to safeguard its users' funds. Could you provide a step-by-step guide to buying BTC on a bit exchange?