Mastodon is a website just like Twitter and Tumblr, you can create posts and see whose liking your posts, commenting and reposts, same way you can also react to other people posts. You can follow people and able to socialize with them. In this article you will be guide step-by-step.
Search Mastodon on Google.
Click on the first link as shown below
Now Mastodon official webpage will open, click on “Get started”.
Now choose your community.
After choosing the community, set up your account.
Now your account is ready o use.