1. Click the link below to download the latest Thunderbird installer.
2. Install Thunderbird
Go to your download folder and double click the downloaded Thunderbird installer.
3. Windows Security Warning
When the Windows Security Warning appears, click the Run button and wait for the program to finish extracting the installer.
4. Welcome to the Mozilla Thunderbird Setup Wizard
When the Welcome to the Mozilla Thunderbird Setup Wizard appears, click the Next button.
5. Setup Type
When the Setup Type appears, you may choose Standard or Custom install. Choose the Standard Setup and click the Next button.
6. Summary
When the Summary appears, click the Install button and wait for the program to finish the installation.
7. Completing the Mozilla Thunderbird Setup Wizard
When the Completing the Mozilla Thunderbird Setup Wizard appears, click the Finish button and Thunderbird will automatically start.
Click the link below for video instruction.