Features unknown in Windows 7

Here are some features of Windows 7 professional product key that unknown users to exploit them.
Change display mode: Use more than one monitor to help users increase productivity. Press the key combination Windows + P and select the standard screen. To reinstall this screen, go to Start Menu, type dccw.
Problem Steps Recorder: To save all the activities, the details of the user will be recorded. Open Start Menu, type psr. Press the Start Record button. Also, do not forget to use the Add Comment option to assign additional annotation information. Hit the Stop Record button and save the zip file.
Open applications and folders the other way: Explorer.exe manages all applications and folders that are open. But if explorer.exe fails then all applications, windows ... will be closed, including the taskbar. Alternatively open a new application, press Shift, right-click Computer in the Start Menu, select Open in new process.
Minimize all windows: We want to shrink 10 or 20 windows working, entertaining, gaming at the same time? The simplest is to press the Windows product key + D, or click the small bar at the bottom right corner of the screen.
Reduce the volume of other applications when receiving calls: We often encounter when using the online talk show. Right-click on the Sound icon in the system tray, select Sound, select the Communications tab, and then select the Volume level to 50% or 80% as you wish.