How to reinstall Windows 7 on your computer

Reinstall Windows 7 on your computer it’s the best solution to many performance-related problems, especially if you continually install and remove programs. From registration issues to malware, going through a lot of unnecessary software. If your PC came with a factory restore disc, it likely has several options for reinstatement different designed to get your equipment up and running.

Unfortunately, Microsoft already does not offer official support for Windows 7, leaving users with few options should their computers crash. Therefore, Digital Trends does not recommend to our readers using Windows 7 on their devices.

(Do not hesitate to consult our guide on How to speed up the performance of your Windows PC?)

Have your Windows 7 license number ready

Once you have finished installing Windows 7, the operating system will ask you to enter your license number. This key allows Microsoft to verify if you have a legitimate and legal copy of Windows 7, although the updates are no longer available.

If the Windows 7 disc arrived in a paper or plastic envelope, the key is probably there. Or, in the cabinet of your computer, it should bring a label (called COA label, like the one above). Since Windows 7 is no longer supported, this key is the only way to install a legitimate version of Windows 7 from Microsoft.

Avoiding constant Windows pop-ups asking you to validate the installation with the license number is a good advantage, make sure you have it handy.

How to back up your data

Regardless of the type of Windows installation you choose, it is always a good idea to have a backup of your data before starting the process, it never hurts, especially if something goes wrong.

Check out our guide on The best option in the cloud to back up your information The How to buy the right external hard drive for your needs, if you are looking for several quality options with which to generate a backup of your data.

How to get a copy of Windows 7

If you don’t have an installation disc, you can download an ISO image of Windows 7 directly from the Microsoft page. Remember that you will still need a legitimate and matching serial key to access download and later to activate it.

Microsoft page to download Windows ISO

At the bottom there is a window where you must enter the 25 digits that make up your license number, it is mandatory to write a valid key for it to give you access and to be able to download the ISO file.

Once access has been verified and authorized, you must select the version of Windows 7 you want to download, either 32 or 64 bits, and click on accept, it will start a download process that, depending on your internet access and your computer, could take between 10 to 30 minutes.

How to select an installation type

Windows 7 Installation Screen
Digital Trends

Make sure your Windows installation disc or USB drive is inserted into the computer and restart your system. When starting, you will receive a message that says “Press any key to start from the disk or USB drive”, do so and it will immediately enter the graphic mode (blue color), once the Windows 7 installation program starts, click on Install Now.

Select the type of Windows 7 installation

Windows 7 installation types

Once the process starts, you will see two installation options: Update and Custom (advanced). If you select To update, Windows should leave your files and programs intact, it would only replace the main system files and change some settings. Opting to upgrade essentially saves you from having to reinstall all your apps and restore your data from a backup, but it doesn’t give your computer the full spring cleaning treatment. However, if you select Personalized, it will erase everything, including your files and programs.

Disk partition destinations for Windows 7Available partitions to install Windows 7

Depending on the current installation that your computer has, there may be one or more partitions available for you to choose from, what is certain is that if you are using Windows Vista or an earlier version of Windows, one or more small partitions labeled as System The Reserved. If the hard drive is new, no available partition should appear

Select which drive or partition you want to use for the Windows 7 installation. You should refrain from formatting or installing Windows on the system reserved partition, although it will be too small to accommodate a full operating system installation anyway, thus minimizing the chances that you experience related complications.

Expanding Windows files

Keep clicking on the setup program until the process starts. Copying Windows files and expanding configuration files can take a long time, so feel free to leave your computer alone for about 15-20 minutes. Your computer will likely reboot at least once during the process, but it should immediately reboot into setup and pick up where it left off.

Completing the installation of Windows 7

Later, the Windows 7 installer will require more information from you. When prompted, answer the questions Windows 7 asks you, which will include time zone information and other preferences. Once Windows 7 is up and running, press Windows Update and make sure to run it over and over again until your operating system is fully up to date.

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