Depending on your browser version, you will see one of the following 3 options

Either "Edit Options", "Allow" or , click the icon

 EITHER

a) Click 'Edit Options' 
b) Then add dwonlaod.digitaldm.com to allowed sites"

OR

a) Click 'Allow' on the yellow information bar at the top of the page
b) Choose "Install Now" in the security dialog box that appears, click Install Or Use the installer version Click the "click here" at the bottom of the page to

OR

.
a) Select 'Click Here > ' ' on the page
b) Save file
c) Right click file and select 'Open'