How to buy Crypto on wazirx?

Could you elaborate on the process of purchasing cryptocurrencies on Wazirx? As a novice investor, I'm curious about the steps involved and any potential pitfalls I should be aware of. Specifically, I'd like to know how to set up an account, fund it, and initiate a buy order for a cryptocurrency of my choice. Are there any security measures I should take to protect my funds? Additionally, what are some common mistakes investors make while purchasing crypto on Wazirx, and how can I avoid them? Your insights would be greatly appreciated as I embark on this journey into the world of cryptocurrency investing.