An icon in the shape of a lightning bolt. Impact Link Nearly every computer these days comes with a PDF viewer, a program that allows you to read, print, and sometimes edit a PDF file. In the newest ...

The Windows operating system allocates a program by default for opening certain file types, but you can easily change and open them in the program of your choice. For example, pictures in Windows now ...

When you open files that have a particular file extension, Windows will look at its configuration to determine what the default program should be in order to work with these files. The default program ...