How to Create a Modern Page (on a Modern SharePoint Site)

Step 1. Press "New" in Site Contents.

• Open the Site Contents.
• You will see the New button right on top of the Site Contents list. 
• Click it:

Step 2. Choose "Page".

From the drop-down menu, choose Page:

Step 3. Create a title for the page

• The first thing you will be suggested to do is to create a page title right inside the page header.
• After that, you can add content to your page. To see how you can use ShortPoint SPFx on this page, please click here.
• After the content is added, press Save as draft. You can also Press Publish if you want other users to be able to access your page.

That's it! Now you have a modern page on your modern site ready to use: