How can I buy ARKK?

Hello there, I'm interested in investing in the ARKK ETF, but I'm not sure how to proceed. Could you please guide me through the process of buying ARKK? I've heard that it's a popular choice among investors looking to tap into the innovation sector, and I'd like to know the best way to go about acquiring shares. Additionally, are there any specific platforms or brokers you would recommend for this purpose? Thank you in advance for your assistance.