This article applies to the 123-reg InstantSite package.
This article will explain how you can setup your File Download on InstantSite.
Scroll down to the Create your website section and click on the InstantSite icon.
Click on the Login button next to the relevant InstantSite package.
Click on the Edit link.
In the Site map panel, click on the File Download page.
Enter the File name that your customers will see when they download the file.
Click on the Browse button, locate the file and click on the Open button.
Click on the Upload button to add the file to your created site.