Pick the Fenestration Product that needs be replaced. You will have the choice to just remove the sash (Frame In) and mount the new product against or over the old frame - or remove the old frame and install the new window to the rough opening (Frame-Out). Click on the appropriate approach and you can then choose among the various methods. Once you select, a full schematic will be created with links to materials and options for that choice, and access to the multi-page instruction set most suited to your choice.