Modern windows can be installed in 1950s ranch-style homes without compromising the original design. Ranch homes typically had large plate glass windows that were not very energy efficient. Replacing the old windows with new, more efficient windows only requires a few basic tools and following instructions. The instructions outline removing the old windows, measuring for replacements, preparing the new windows by checking the fit and finding mounting holes, caulking and installing the windows, ensuring they are square, and adding interior trim. With some basic tools and by following the steps provided, homeowners can update their ranch home windows for improved energy efficiency while keeping the original style.