Scroll through the list of options to find and check the box. Click OK on all windows to apply the changes. Understanding Jump Lists
In Windows 7, the list (often referred to as "Recent Items") is a feature that provides quick access to files you have recently opened or modified, eliminating the need to navigate through complex folder structures. While this feature was prominently displayed in previous versions like Windows XP, it is turned off by default in Windows 7 to make room for Jump Lists . How to Enable "Recent Items" in the Start Menu Windows 7 Recent Documents List
You can restore the classic-style "Recent Items" list to your Start menu with these steps: Scroll through the list of options to find and check the box