Microsoft Forms is an online survey, quizzes, and polls creator, available for Office 365 Education subscriber.

This feature is released in SharePoint Online, not available in On Premises.

You can check the Rouying Liang's reply in the blog below:

[![enter image description here][1]][1]

https://techcommunity.microsoft.com/t5/Microsoft-Forms-Blog/SharePoint-web-part-powered-by-Microsoft-Forms/ba-p/109942


  [1]: https://i.sstatic.net/f1ej8.png