This tutorial will show you how to add Select all to the context menu of a file, folder, drive, desktop, and library to be able to easily select all items in a Windows Explorer window in Windows 7.
You must be logged in as an administrator to be able to do this tutorial.
https://www.sevenforums.com/tutorials/151136-select-all-add-context-menu-windows-7-a.html
There is also a reg script to remove the contextual menu
