This is simple extension, which adds product preview button to the admin product form. Useful at the time of admin product edit and update works. It is quite easy to install, demo details shared in the video link below.

Demo Video: Watch Video

Installation steps:
1. Go to Extension > installer
2. Import the .zip file downloaded from opencart module site.
3. Allow the installer to run completely.
4. Go to modification section and click on refresh button.
5. Your extension is installed, you can check same edit any of your product.