Right-click a file, and then click Open With. If Open With is not
available, click Open.
Follow the instructions under the option that matches the dialog box you
see:
Open With--Recommended Programs list
Under Programs, click the program in which you want the file to open, or
click Browse to locate the program you want.
-or-
Click the look for the appropriate program on the Web link to search the
Web for a program to open your file.
Open With--No Recommended Programs list
Under Programs, click the program in which you want the file to open, or
click Browse to locate the program you want. You can also type a comment
that provides information about the file type. This information will appear
in the folder window under Details when you view the file in a folder.
-or-
Click the look for the appropriate program on the Web link to search the
Web for a program to open your file.