To download TurboTax on a Mac computer, start by visiting www.installturbotax com using your web browser. Sign in with your Intuit account or create one if you’re a new user. After logging in, locate your purchased TurboTax product and click the “Download” button. Save the installer file to your Mac, then double-click it to start the installation process. Follow the on-screen instructions to complete the setup. Once installed, launch TurboTax and sign in again to begin your tax preparation. Always ensure your Mac meets the system requirements for a smooth installation.