To activate TurboTax after installing it, open the software and follow the on-screen prompts. You’ll be asked to enter your license code, which is usually found in your confirmation email or on the product packaging. Enter the code carefully, then click “Activate.” Make sure you're connected to the internet during this process. If you haven't downloaded the software yet, visit turbotax.ca download . For the latest version, search how to download turbotax software and follow the official instructions. Activation ensures you can access all features and updates, making it easy to file your taxes accurately and on time.