Decide which version of Windows you want to install. If your computer is running Windows Vista Home Basic or Premium, you can upgrade to Windows 7 Premium or 7 Ultimate. If you are using Windows Vista Business, you can upgrade to Windows 7 Professional or 7 Ultimate. If your computer runs on Windows Vista Ultimate, you can only go to Windows 7 Ultimate. Get the proper copy of Windows 7.
Turn on the computer and connect to the Internet. The installation program of Windows 7 Upgrade will use Internet access to get updates during the installation process. However, even if you have no network access, the installation of Windows 7 will work, but will be prompted to download the necessary updates after the completion of the work.
Place the installation CD in the CD-ROM drive or double-click the executable installation file if you downloaded Windows 7 online. Prepare a volume license product key Windows. It is a 25-digit code and listed on the box with the license disk, or attached to the installer text file.
Click "Install now" as soon as I start the installation file. If your computer is connected to the Internet, select "Get important updates for installation". Check out the information, select "I accept the terms in the license agreement" and go to the next screen. Select "Upgrade" as installation type, and then click "Install". Do not turn off computer during installation. It will happen automatically, and after it the computer will restart.
Your computer must be running Windows Vista with service pack (Service Pack) 1 or 2, otherwise the system update may not be permitted. If updates are missing, download them using the system tool of Windows Update that runs in the menu "system Properties".