Extreme How To: Do it Yourself Window Replacement
Step by step illustrated tutorial; from measurement to removal through final trim.
Hometime: Windows and Doors
Tutorial covering styles and options, general installation instructions, and specialty installation instructions for Tilt-Pac windows, roof windows, and garage doors. Photographs, cautionary notes, and a windows and doors glossary.
Lowe's Home Improvement Warehouse
Illustrated tutorials on repair and replacement including garage doors and screens.
The Old House Web
How to fix balky doors, out-of-plumb doors, pocket doors and weatherstripping.
Vinyl Replacement Windows Buyer's Guide
Advice and tips includes features, options, purchasing and installation experience.