1. On Gemini's main dashboard, go to the left-side panel and click the 'Settings' icon.
2. After that, select 'View Subscriptions' from the list of options.
3. Choose your preferred subscription and then tap 'Get' to set up your free trial.
4. Subsequently, click 'Agree' to accept the terms.
5. Select your preferred payment method.
6. Following that, provide your payment details.
7. Once done, click 'Continue' to process your free trial.
8. After activating your free trial, go to the chat box and click the 'Tools' button.
9. Choose 'Create Video' from the list.
10. Finally, you can now access Veo 3 for free via Gemini's free trial. You don't have to pay for anything throughout its duration.