Simply like this page or tweet this page to your friends After this a download button will become available to allow you to download a free Swahili course If you dont want to like this page or tweet it to your friends there is another way to get a free Swahili course

What is the correctly punctuated version of this sentence?
Simply like this page or tweet this page to your friends. After this, a download button will become available to allow you to download a free Swahili course. If you don't want to like this page or tweet it to your friends, there is another way to get a free Swahili course.