Windows

There are two ways. Use the registry directly (which is kind of a pain) or click Explorer's View --> Options menu, and select the "File Types" tab. Scroll down to the "Folder" item, and then click "Edit." The box at the bottom will have at least "explore" and "open" listed. Click "New." In the box that says "Action," type name of the action (the words that you want to appear in the drop down menu). You can utilize a shortcut Hot Letter by adding the "&" symbol before a letter. This will show the letter as underlined in the drop down menu and enable the underlined letter to select the item (like the E in Explorer).
In the "Application..." box, put the program you want to run, with command line switches, if any. Don't bother selecting the "Use DDE" check box unless you know what you want it for.

In the May 2000 PC Accelerator, pp. 44-45 is a sad story about an upgrade gone wrong. He goes through 2 motherboards, new memory, etc, trying to resolve crashes and lockups.

In the end, the writer says he is still an AMD supporter, but recommends buying Athlon systems from suppliers who can test all sorts of configurations to make sure all of the components work together with the "squirrelly" Athalon.