Most of us tend to use the Windows Operating System not just because of its ease of use but also the availability across the globe! Yes, so many people somehow or the other have Windows in at least one of their devices such as laptops, desktops, etc. In such a scenario, we need to install Windows not only one time, but every time we format our system or when we encounter any issues with the OS. Rather than calling up a System specialist to fix the issue, we can learn how to install Windows with real easy steps. In this article, we are going to see the step-by-step instructions on how to do it for different versions of Windows such as 7, 8, or 10.

Before we start, let us know what we require to do the process.

  1. The Windows ISO file (of particular version 7, 8, or 10) or a DVD that contains the installation files.
  2. A USB Flash Drive of a capacity not less than 16GB if you choose the ISO file as the option.

If you use USB flash drive to Install Windows: Be sure to copy the Windows ISO file of the particular version of the USB. If you want to install Windows 7, then you must copy Windows 7 ISO file to it.

If you are using a DVD to Install Windows: You can simply be ready with the DVD that contains the installation files for respective versions of Windows.

Note: You can download the Windows 7 installation files for DVD or USB from this link.

How to Install Windows 7?

  • Backup your data:

The process of installing any OS on your system is going to format the contents and hence there is a potential risk that you lose all your saved data on the system. So before you move further, be sure to back up all the data that resides on the system. But if you are trying to install it on a fresh system that has never been used yet, then you need not worry about such backups. if you opt to install Windows using a USB flash drive, then you need to backup the contents on it as well. This step of our how to install Windows article will help you if there arises any space issue on the USB.

  • Setup the BIOS Utility:

The Basic Input Output System (BIOS) can be any of the keys, such as Delete, F2, F9, F10, or Escape and is based on the motherboard of your system. This is usually shown on your computer’s screen, and you can simply go ahead with the instructions as shown on the screen.

  • Boot the BIOS:

Now, it’s time to boot the BIOS of your and the keys are specified on the BIOS Utility screen. Just follow those keys and you will end up in Booting.

  • Choose the first Boot Device:

If you are planning to use a DVD, but don’t know how to install Windows, then choose the CD-ROM as the first Boot Device. Otherwise, you can even choose the ‘Removable Devices’ as the first Boot Device if you wish to use it for the installation process. There are also provisions to which you can mention the order of devices to be booted once your system starts. But for the installation, it is enough to mention the first boot device.

  • Save the Settings:

Once you are done with BIOS and BOOT information, you must save it on the system to reflect upon its start. As mentioned below, go ahead with the ‘Exit Saving Changes’ option from the BIOS menu, and it keeps what you have changed.

  • Shut down the system & Switch it on again:

Hold the power button of the computer until it shuts down. If your computer already has an OS, you can simply go ahead and shut down as you do. Once you see that your device is completely powered off, you can switch it on again. Now your computer just gets the necessary power to operate and nothing more than that.

  • Insert the USB that contains the ISO file or the DVD with the Installation files:

Once your system gets the power, insert the USB or the DVD from where you are going to carry out the installation. Make sure to install antivirus software for Windows to avoid any external device virus threat.

  • Start the System:

Start the computer as you generally do and it will ask you to press a key to continue the Boot or it will directly start the Boot process.

  • Windows Setup Process:

Here, you are prompted to select the Keyboard Input Language, General Language that you would like to use for the OS, and the Time/Currency format.

Once you give the necessary input, click the ‘Install Now’ button to Install Windows 7 as your OS.

  • Licensing Terms & Type of Installation:

The Installation asks whether you accept the terms & conditions of Microsoft Corporation to carry out the Windows 7 OS installation. You need to click ‘Yes’ to install Windows. Otherwise, it just gets aborted.

After that, you are asked to select the type of installation. One is the ‘Upgrade, ’ and the other is the ‘Custom (Advanced).’ If you are doing a fresh installation with no OS on your device, choose the latter. If you already have an OS on your system and need an upgraded version, then go for the former.

Below are the steps if you have chosen ‘Custom (Advanced)’ type of installation:

  • Partition the Hard Drive and allocate space for the installation files:

The hard drive of your system can be divided partitions so that you can store programs files on one drive and other files on the drives of your choice. This is just to simplify the storage and can be taken the important form of storage. Just follow the below steps to allocate space for the OS files. (Read here for detailed instructions on how to partition a hard disk or drive?).

  • The installation wizard asks for the drive by displaying the list of available hard drives with the system.
  • Choose a drive if your system has more than one.
  • Now, click the ‘Drive Options (Advanced)’ to partition it.
  • Choose ‘New’ and the size of the partition.
  • Click ‘Ok’ and you have created a partition on your Hard Drive to store the OS files.
  • Install: Click ‘Next’ to continue the installation.

Below are the steps if you have chosen ‘Upgrade’ type of installation:

  • Upgrade Advisor:

Once you start the system, go to the link, and it is the Upgrade Advisor link for the Windows. Select the language and go ahead with it to check your system’s compatibility with Windows 7, if you plan to upgrade to it. This wizard checks the compatibility and will let you know whether your system is upgradable.

  • Insert the DVD or USB with the installation files:

After inserting the removable device that contains the Windows OS installation files (USB or DVD), open it and double-click the ‘Setup.exe’ file. It opens the Installation Wizard.

  • Click the ‘Install Now’ button to proceed further. You can notice the ‘check compatibility online’ option in the wizard.

  • Get the Updates online:

The wizard has options to get the updates online before you install windows of upgraded version. You can even choose the ‘Do not get the latest updates for installation’ as well. This option just installs whatever file you have it on the removable device (DVD or USB).

  • Licensing Terms:

You must accept the Licensing term and conditions of Microsoft Corporation to proceed further. Then click ‘Next.’

  • Choose Upgrade Installation as a type of Installation:

As we have discussed earlier, we should choose the type of installation now. In this case, it is ‘Upgrade.’

Now, the upgrade process completes by itself.

How to Install Windows 8, 9, 10 or Vista?

We can learn how to install Windows 8 or other in a similar manner by choosing the respective Windows Installation file. The process is very simple and you will get to know when you actually do it. You need to fetch the Windows 7, 8, or another version key before the upgrade.  

Here is how to you should supply the key during the installation process. Most of the times, you can find the original key on the computer.

Final Words – How to Install Windows 7, 8, 10

The above steps of our article how to install Windows of any version are just simpler and you can go ahead without any hesitation. Try installing or upgrading your Windows Operating System and do let us know if you face any issues.

Hope you understand the requirements of installation of Windows. Now, you can easily install Windows, the easiest and the widely used OS! No matter from where you install the Windows (USB or DVD), but what matters is how to do it with proper backups (for upgrades) and BIOS settings (for fresh installations). See you with another interesting and useful articles!


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Jerold Forney is technology admirer and a computer specialist who is always curious for new technological advancements in the IT industry. With his extensive experience and apprehension of IT industry and technology, He writes after concrete research and analysis with the intention to aid the reader the content full of factual information. Being so ambitious to facilitate the readers, he intermittently tries his hand on the tech-gadgets and services popping frequently in the industry to reduce any ambiguity in his mind related to the project he works, that a huge sign of dedication to his work.


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