To duplicate a Notion page, follow these steps:

1. Open the page you want to duplicate.
2. Click on the three dots icon in the top right corner of the page.
3. Click on "Duplicate."
4. A new page will be created with the same content as the original page.
5. Rename the new page by clicking on the title and typing in the new name.
6. Make any additional edits or changes you need to the new page.
7. Click "Save" to save your changes.

Now you have successfully duplicated a Notion page!