There are a few ways to buy Ethereum instantly. The most popular way is to use an exchange like Coinbase or Kraken. These exchanges allow you to buy Ethereum with your credit card or bank account. Another popular way is to use a peer-to-peer exchange like LocalEthereum.
These exchanges allow you to buy Ethereum directly from another person. Finally, you can also buy Ethereum through a cryptocurrency ATM.
The best way to buy Ethereum depends on your needs and preferences. If you want the simplest and most user-friendly experience, an exchange like Coinbase is a good option.
If you want to pay the Lowest fees possible, a peer-to-peer exchange like LocalEthereum is a good option. And if you want to buy Ethereum in cash, a cryptocurrency ATM is a good option.