How to buy Arweave in the UK?

Could you please provide a step-by-step guide on purchasing Arweave in the United Kingdom? I'm particularly interested in understanding the various platforms or exchanges that offer Arweave trading services in the UK. Additionally, it would be helpful if you could also elaborate on the necessary account setup processes, verification requirements, and any associated fees that I might encounter during the purchase. Finally, could you recommend any safety measures or best practices to ensure a secure and smooth transaction?