Another way is to select your file, ( a jpg, for instance) Then right click and choose 'Open With', make sure the checkbox at the bottom that says something to the effect of 'Always use this program' is checked, and choose Photoshop. The only problem I think you might run into is that some older programs store file associations in the Win.ini file and these are read into the registry at startup, so your file associations could revert back on rebooting. If this happens, you'll have to edit the Win.ini file. Rich