When you start the TurboTax desktop software, that does not log you into a TurboTax account. All you need to do is go to the Investment section and download the Form 1099-B from your brokerage account.
To enter an investment sale -
Click on Federal Taxes (Personal using Home and Business)
Click on Wages and Income (Personal Income using Home and Business)
Click on I'll choose what I work on (if shown)
Under Investment Income
On Stocks, Cryptocurrency, Mutual Funds, Bonds, Other, click the start or update button
