How do I switch to arbitrum network?

Hello there, I'm curious about switching to the Arbitrum network. Could you please walk me through the steps? I'm a bit new to this, so a detailed explanation would be really helpful. What specific tools or platforms do I need to use? Is there a specific wallet that works best with Arbitrum? Also, are there any fees involved in making the switch? And lastly, how can I ensure that my funds are safe during the process? Thank you in advance for your assistance!