How do I buy BGB on Bitget?

Could you kindly provide a detailed explanation on how I could purchase BGB on Bitget? I'm particularly interested in understanding the step-by-step process, from signing up on the platform to successfully making the purchase. Also, would you mind elaborating on any potential fees or commissions involved in the transaction? Additionally, are there any safety measures or security tips I should be aware of while engaging in such transactions? Your insights would be greatly appreciated.