To buy Bitcoin on Coinbase, please follow these steps:
Create an account on Coinbase.com.
Complete the verification process.
Link a payment method, like a bank account or debit card.
Go to the 'Buy/Sell' page.
Select Bitcoin from the list of assets.
Enter the amount you want to purchase.
Review the transaction details.
Confirm the purchase.
Remember, always be mindful of the market's volatility when investing in cryptocurrencies.