How to buy MetaMask?

Hello, fellow crypto enthusiasts! I'm curious about how to navigate the process of purchasing and setting up MetaMask. Could someone please walk me through the steps? I've heard it's a popular Ethereum wallet and I'm eager to get started with it. Are there any specific requirements or prerequisites I should be aware of? Also, would it be safe to store my cryptocurrencies in MetaMask? I'd appreciate any insights or guidance on how to securely purchase and utilize MetaMask for my crypto transactions. Thanks in advance for your help!