Visit the Thunderbird download page in any browser (e.g. Firefox or Microsoft Internet Explorer). The page will automatically recommend the best version(s) of Thunderbird for you.
Click on the green download link to download the Thunderbird installer. Depending on your connection speed, the download may take up to a few minutes. Thanks for your patience… it’ll be worth the wait!
Start the process by clicking Run.
Then, just follow the steps (we’ve made the process as painless as possible).
Congratulations, you are done installing Thunderbird!
Double-click on the Thunderbird icon whenever you want to communicate.