Run can be enabled in Windows 7 as well like Vista.

1. Right click on any open area in the start menu and select Properties.

2. Select the Start Menu tab in the properties window and click Customize button.

3. In the customize window, check the box against Run Command and click OK.

4.Now if you open the Start Menu, you can see the Run Command added to it.

by default ,RUN menu in hide mode (vista and windows 7)

alternate methods

1.Windows Key+ R
2.type RUN ,in search window and enter.