Click 'OK', then open the Start menu to see the change. Launch the program, click the 'Start menu style' tab and select 'Windows 7 Style'. There are no potentially unwanted programs to worry about.
To try it, download the latest release and run through the installer as directed. Thankfully, you restore the menu to its former glory using a free tool called Open-Shell-Menu (formerly known as Classic Shell).
The Start Menu returned in Windows 10, to the relief of many, but it still looks quite different to the one you know and love from Windows 7. Microsoft tried getting rid of the Start menu altogether in Windows 8, replacing it with a colorful screen of rectangular tiles much like your phone's app selector.
