You can get Crack for Windows seven here.
At the time of installation of Windows 7 on your computer, you are allowed to try out Windows 7 operating system for 1 month. When the trial was over within a month, you must enter the serial number that consists of 25 digit numbers and text. If you do not enter a serial number, then your computer can not be used, because when you use, every 5 minutes your computer will shut itself down. For that you must enter the serial number, if the serial number does not match, then the Windows 7 operating system will reject it. Therefore you need a crack so that you can use your computer. When you open this crack, you just click install, once the process is complete, reboot your computer first. Follow this link so you can download crack for Windows 7
Password : pulsananda