1. PC Safeguard To use PC Safeguard, go to Control Panel -> User Accounts and create a new account, then select “Set Up Pc Safeguard” and switch it on. Then you can stay relaxed when others use your computer, because you won’t find anything changed, including configurations, downloaded software, installed programs. 2. Screen Calibration Fortunately, Windows 7 comes with a display calibration wizard that lets you set up the screen brightness properly, so you won’t have any problems viewing photos or text. The problem was that on one PC a photo could look sharp and bright and on another it looks awful. Now the problem can be fixed by pressing the Windows logo key and then typing “DCCW”. 3. AppLocker You can simply do this by pressing the Windows key then typing Gpedit.msc. Then go to Computer Configuration -> Windows Settings -> Security Settings -> Application Control Policies -> AppLocker. Right click on one of the options (Executables, Installers, or Script) and create a new rule. That should save you from a lot of headaches. 4. Burn Images We all had trouble with image burning in Windows, because it couldn’t do it itself, a standalone software being needed. With Windows 7 this will not be a problem anymore. All you have to do is double-click the ISO image and burn it on the CD or DVD that’s inserted in the drive. 5. Display Empty Removable Drives Windows 7 will not show empty drives by default, so if you connect an empty drive to your PC, don’t worry, just go to Tools -> Folder Options -> View and uncheck “Hide empty drives in the computer folder”. 6. Display Or Hide The Explorer Preview Panel Press ALT + P to hide it then once again to display it. 7. Background Photo Slideshow Right click on the desktop then go to Personalize -> Desktop Background and hold the CTRL key while choosing the images. Then you can choose the time intervals between images and opt to display them randomly or in a row. 8. Make The Taskbar Smaller If you feel like the taskbar is using too much of your screen space, you can choose to make the icons smaller. To do this, right-click on the Start button, then go to Properties -> Taskbar and set it to “Use small icons” 9. Maximize Or Restore The Foreground Window Press Windows Key + Up Key. 10. Minimize The Active Window Press Windows Key + Down Key 11. Web Searches From Your Desktop Windows 7 lets you search for online resources, by adding a connector that be downloaded for free. 12. Shift The Window From One Monitor To Another If you are using two or more monitors, then you might want to move the Windows from one to another. There is a very simple way to do it. All you have to do is press the Windows Key + Shift Key + Left or Right Key, depending on what monitor you want to move it to. 13. Easily Add A New Font Adding a new font it’s now easier than ever. Just download the font you want, double click it and you should see the install button. 14. Stretch The Window Vertically You can stretch the active window vertically to the maximum display height by pressing the Windows + Shift + Up (arrow) keys. Press Windows + Down Keys if you want to restore it. 15. Turn Off Security Messages To turn off security messages you have to go to Control Panel -> System and Security -> Action Center -> Change Action Center Settings and you can turn off the following notifications: Windows Update, Internet Security Settings, Network Firewall, Spyware and related protection, User Account Control, Virus Protection, Windows Backup, Windows Troubleshooting, Check for updates. 16. Run A Program As An Administrator You can easily run a program as an administrator by pressing Ctrl + Shift while opening it. 17. Encrypt Removable USB Drives Encrypting an USB drive has never been easier. Now you can right click on the removable drive and then on the “Turn on Bitlocker”. 18. Improved Calculator Windows 7 features an improved calculator that can do unit conversion, date calculation, gas mileage, lease, and mortgage. Also you can choose between Standard, Scientific, Programmer, and Statistic calculator. 19. Open A Folder In A New Process Windows 7 opens all folders in the same process in order to save resources, but this means if one folder crashes, they all crash. So if you feel like that’s a risk you don’t have to take, then you have to open them all in their own processes. To do this, hold down Shift button, right-click the drive and “Open in New Process”. Now you will be safe. 20. Search Everything In Your Computer Windows 7 offers the possibility to search all file types, including unknown ones and this could help you in some cases. Though it is not recommended, because it’s much slower than normal search, you can give it a try by doing the following: Launch Windows Explorer, go to Tools -> Folder Options -> View and check “Try to search the content of unknown file types”. If you don’t need it anymore, don’t forget to clear it for an increase in speed. 21. Make 64bit Windows Media Player Default (only for X64 users) Windows comes with the 32bit version of Media Player by default. If you are a x64 user, you can keep the system cleaner by only installing one set of codecs. To do this, press the Windows Key, type “command”, right-click on Command Prompt and hit “Run as administrator”, then type “unregmp2.exe /SwapTo:64?”. After that, press the Windows Key, type “regedit”, go to HKLM\Software\Microsoft\Windows\CurrentVersion\App Paths\wmplayer.exe\, double click on value and change “&#xPr;ogramFiles(x86)” to “&#xPr;ogramFiles%”. Now you should be using the 64bit Windows Media Player. Source: Google