How to exchange Litecoin (LTC)?

Could you elaborate on the steps involved in exchanging Litecoin (LTC)? As a cryptocurrency enthusiast, I'm interested in learning about the process. What platforms or exchanges should I be looking at? Are there any specific requirements or fees I should be aware of? Additionally, is it necessary to have a Litecoin wallet set up before initiating the exchange? Furthermore, what are the security measures I should take to ensure a safe and smooth transaction? Your insights would be greatly appreciated.