Sections -> Home Page -> Subscription form
If you want to have a subscription form on the home page, add a block “Subscription form”. In the “Title” write the title of the subscription form. In the “Paragraph” write the information text. In the “Placeholder” you can write a text if such need arises. In the “Button text” you can write the name of the button. Then choose the style of the subscription form in the “Colorize style”, where 3 styles are available.
This is what you may get: