Using a web browser · Sign in to Coinbase. · Select Buy / Sell on the upper right-hand side. · Click the Buy field to select the asset you'd like to purchase. · Enter the. Open a brokerage account at a firm that allows crypto investments · Deposit funds from your bank into the brokerage account. · Buy a stock using. Buy Bitcoin. Buy Bitcoin. If you're ready to buy, you can hit the Buy icon in the menu or click into it directly from the Prices.