Windows makes it easy for you to open up these files by setting up default programs for each file type -- images files, for example, will open by default in the Windows 10 Photos app.

Many programs offer internal tools for configuring file associations, but the Control Panel configures all file associations through a single Windows feature.

Click the "Set this program as default" button to set the new program as the default picture viewer. Click "OK" to save the settings and close the Control Panel.

The other day, I noticed that in my Add or Remove Programs listing on the control panel, there are about 35 items listed in alphabetical order down to one called MMSSTV, and then there is a huge bl… ...