Windows 11 | Complete Information [2026]

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What Is Windows 11?

Windows 11 is a version of Microsoft’s Windows software. It runs on laptops and desktop computers. Windows 11 has a new start menu, helpful tools, and a modern design. If your PC supports it, you can upgrade to Windows 11 for free from Windows 10.

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Minimum Requirements for Windows 11

Before installing, you must make sure that your PC meets the minimum requirements. These are simple rules that your computer must follow:

  • Processor: 1 GHz or faster with 2 or more cores on a compatible 64-bit CPU
  • Memory (RAM): 4 GB or more
  • Storage: 64 GB or more free space
  • System firmware: UEFI with Secure Boot
  • TPM: Trusted Platform Module (TPM) version 2.0
  • Graphics: DirectX 12 capable graphics with WDDM 2.0 driver
  • Display: Screen with at least 720p resolution
  • Internet: Needed for updates and some features

Windows 11 won’t install unless these minimum requirements are met. If your computer doesn’t meet them, you may see an error saying the PC isn’t supported.

Choosing How to Install Windows 11

There are three main ways to install Windows 11:

  1. Windows 11 Installation Assistant—an easy way to upgrade your current PC.
  2. Media Creation Tool – lets you make a bootable USB to install or reinstall Windows 11.
  3. ISO File Method – download an ISO file to make your own USB or DVD install media.

Let’s learn how to do these steps one by one.

Method 1: Using Windows 11 Installation Assistant

This method is simple if you are upgrading your current Windows 10 PC:

  1. Go to the official Microsoft Windows 11 download page.
  2. Click Download Now under the Windows 11 Installation Assistant section.
  3. Run the downloaded .exe file.
  4. Accept the license terms and click Install.
  5. Your computer will restart several times as the installation completes.

This method keeps your apps and data safe in many cases, but it’s good to back up important files first.

Method 2: Create Installation Media (USB)

If you want a fresh install or want to install Windows 11 on another PC, use this way:

  1. Go to the Windows 11 download page on Microsoft’s website.
  2. Download the Media Creation Tool.
  3. Run the tool and accept the license.
  4. Choose Create installation media for another PC and click Next.
  5. Select USB flash drive (at least 8 GB) and click Next.
  6. The tool will download Windows 11 and prepare your USB drive.

After this, your USB can install Windows 11 on many PCs.

Method 3: Download Windows 11 ISO File

Another way is to download the ISO file:

  1. Go to the Windows 11 ISO download page.
  2. Choose your language and version.
  3. Click Download to save the ISO file.
  4. Use a tool like Rufus to make a bootable USB with the ISO.

This way is more advanced but helpful if you want full control over your install.

Installing Windows 11 From USB

Once you have the USB ready, follow these steps:

  1. Turn off your PC and plug the USB drive in.
  2. Turn on your PC and press a special key (like F2, F12, Esc, or Del) to open the boot menu.
  3. Choose your USB drive as the boot device.
  4. When the Windows setup screen appears, select your language and keyboard settings.
  5. Click Install Now.
  6. Follow the on-screen steps to complete the install.

Your PC will restart a few times. Don’t turn it off during the process.

Back Up Before Installing

Important: Always back up your files before installing Windows 11. A clean install will erase all data on your main drive. You can save important photos or documents to an external drive or cloud storage like OneDrive.

Common Problems and Fixes

PC Doesn’t Meet Requirements

Some PCs may not have a TPM 2.0 or secure boot enabled in the BIOS. If you get errors, go into your BIOS settings and enable these features.

Installation Stops or Errors

Sometimes the installer may get stuck or restart oddly. Make sure your USB is good, and try remaking the bootable drive if needed.

Installation Fails at a Certain Percent

If the installation stops at a certain point, reboot your PC and try again. Some users report this when their hardware hasn’t been checked properly before installation.

FAQs

1. Is Windows 11 free to install?

Yes. If you already have Windows 10, you can upgrade for free if your PC meets requirements.

2. Do I need a USB drive?

Yes. For a fresh install or install on another PC, a USB drive of at least 8 GB is needed.

3. Does installing Windows 11 erase my files?

If you choose a clean install, yes—it will erase all data. Always back up files first.

4. How long does the install take?

It depends on your PC and internet speed. It can take 30 minutes to a few hours.

5. Can I install Windows 11 on an old PC?

If your PC doesn’t meet the minimum requirements (like TPM 2.0 or enough RAM), the install may fail. Always check requirements first.

Final Thoughts

Installing Windows 11 may seem hard, but it’s much easier when you break it into simple steps. You can use the Installation Assistant for easy upgrades or make a bootable USB for fresh installs. Always check your PC’s requirements first and back up your files before you begin. If you follow these steps, you can enjoy the latest Windows with confidence.

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