Finally we're here to get start and upgrade Vista to Windows 7.
Here are some very important steps you need to take before you begin installing Windows 7.
Your personal files, applications and settings are preserved when upgrading to Windows 7 from Windows Vista operating system. To be on safe side, it's better to back them up to an external location such as a CD, DVD, or external hard drive.
Make sure your PC is running the latest Services Pack or at least Service Pack 1 for Windows Vista operating system.
Update your antivirus software, run it, and then make sure you turn it off. After you upgrade Vista to Windows 7, remember to turn the antivirus software back on, or install new antivirus program that is compatible with Windows 7. For more information, see the Windows 7 Antivirus.
Connect your computer to the Internet so you can get the latest updates during the Windows 7 installation process. (If you don't have an Internet connection, don't worry you can still install and upgrade Vista to Windows 7).
If you download Windows 7 from the Microsoft Store, you choose either the 32-bit version or 64-bit version of Windows 7 to download, depending on which version of Windows Vista you're currently running on your computer. For more information, see Install Windows 7 from USB. If you bought a Windows 7 package from retail store, you'll need to choose either 32-bit version or 64-bit version of Windows 7 installation media disc.
Finally, you have your 25-character Windows 7 product key ready. You can find it in a confirmation e-mail if you purchased and download Windows 7 from the Microsoft Store-or on the installation disc holder inside the Windows 7 installation package.
Step 1. Turn on your computer, if it's switched off.
Step 2. After Windows Vista has started and completed the important steps mentioned above, do one of the following:
If you have a Windows 7 installation media disc, insert the Windows 7 installation DVD in your computer's optical drive. Windows setup should start automatically. If it doesn't, click Start , click Computer double-click your DVD-drive to open the Windows 7 installation media disc, and then double-click on setup.exe.
If you have bought and downloaded Windows 7 from the Microsoft store, browse to the Windows 7 installation file you download on your PC using Windows Explorer, and then double-click it.
If you have downloaded and extracted Windows 7 installation files onto a USB flash drive, then insert the USB flash drive into your computer. For more information, see Install Windows 7 from USB. Windows 7 setup should start automatically. If it doesn't, click Start , click Computer double-click your USB-drive to open the Windows 7 installation disc, and then double-click on setup.exe.
Step 3. After loading Windows 7 installation files, the Install Windows screen appears, on the Install Windows page you click Install now button.
Step 4. On the next screen Get important updates for installation page appears (see image bellow), click on Go online to get the latest updates for installation... option. It's recommend getting the latest updates to help ensure a successful Windows 7 installation. Make sure your computer is connected to the Internet during the upgrade Vista to Windows 7 to get latest updates.
Step 5. On the next screen please read the license terms page appears, you must agree to the End User License Agreement (EULA). If you accept the license terms, click I accept the license terms check box, and then click Next button.
Step 6. In the which type of installation do you want? window, select Upgrade option as the install type(see image bellow).
After, checking your computer. Windows setup might show you a compatibility report.
Step 7. Now, continue to follow the on screen instructions to finish installing Windows 7 operating system.
If you've any problem or stuck in the middle of Upgrade Vista to Windows 7, then don't hesitate to submit your Windows 7 problem here.
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