Windows 7 is touch input ready. A touch input screen is a screen on which you can drag, drop and tap (click) objects (like windows, folders and files etc) using your fingers. This is same as a touch screen mobile phone. A mulit-touch screen is in which you can send complex command to Windows using more than one finger touch gestures.
Microsoft has now released a software bundle called Windows 7 Touch pack which is a freeware software pack for users who have touch input ready screens. This Windows 7 Touch pack contains a set of six multi-touch optimized applications and games that are designed to truly showcase the capabilities of Windows Touch in Windows 7. It consists of 3 casual games, and 3 Microsoft Surface applications that have been created for Windows 7.
In order to use the Microsoft Touch Pack for Windows 7