Install the Windows7 operating system, there will be 30 days probation limit, if 30 days after this you do not activate the system, will be in the lower right corner of the system, there is a line of hints that you are using the system is not a genuine copy, this is because you do not activate the system.
The reason for this is that you do not activate the operation, as long as the system is properly activated, this hint naturally will not be. As the following illustration shows, if you have a line in the lower right corner of your desktop, you need to activate the system.
Open the Start menu, right-click the Computer option, and then select Properties from the pop-up right-click menu to open the Properties page to view the system activation information.
As shown in the picture, the system's activation information below the bottom of the Windows activation information, if not activated, there will be a hint that the number of days left to activate, click to activate the Windows this blue link immediately.
Then start to enter the system's activation key, this blank box below enter your system key, be sure to enter the correct, the middle of the horizontal line does not type, will automatically add. Enter complete and click Next.
Now you're ready to activate your system online, just click on the second option, which is to activate Windows online now, provided you have a network connection in your computer and the network is in good condition, otherwise it can only be activated in other ways.
Click to activate after the system will start the verification phase, the verification is complete, will display the activation information, if you provide the key is a genuine key, you can successfully activate, as shown in this case, the activation was successful.
When you open the Computer Properties page, you will find that the information that Windows has activated is now on the bottom.