Windows 11 Professional

New, pleasant, and more consistent design

New gaming features

◈ Modern Security Management

Great window arrangement options

Better multi-screen functionality

Improved performance

Run Android apps



System requirements

These are the minimum system requirements for installing Windows 11 on a PC. You might not be able to install Windows 11 on your device if it doesn’t satisfy these requirements, so you might want to think about getting a new computer. If you’re not sure if your PC satisfies these criteria, you can ask the Original Equipment Manufacturer (OEM) of your computer, or if your device is already running Windows 10, you can check compatibility using the PC Health Check app. Note that the majority of supported devices will fulfil the specifications stated below, therefore this software does not check for graphics card or display.

Processor 1 gigahertz (GHz) or faster with 2 or more cores on a compatible 64-bit processor or System on a Chip (SoC).
RAM 4 gigabyte (GB).
Storage 64 GB or larger storage device Note: See below under “More information on storage space to keep Windows 11 up-to-date” for more details.
System firmware UEFI, Secure Boot capable. Check here for information on how your PC might be able to meet this requirement.
TPM Trusted Platform Module (TPM) version 2.0. Check here for instructions on how your PC might be enabled to meet this requirement.
Graphics card compatible Compatible with DirectX 12 or later with WDDM 2.0 driver.
Display High definition (720p) display that is greater than 9” diagonally, 8 bits per colour channel.
Internet connection and Microsoft account Windows 11 accounts windows require internet connectivity and a Microsoft account.
Switching a device out of Windows 11 Home in S mode also requires internet connectivity. Learn more about S mode here.
For all Windows 11 editions, internet access is required to perform updates and to download and take advantage of some features. A Microsoft account is required for some features.


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19 reviews for Windows 11 Professional

  1. sami

    The new Windows 11 Pro is incredible! It’s fast, efficient, and elegant. I had concerns about upgrading, but Tressbiz IT Company assuaged all my worries. They provided exceptional technical assistance that made the upgrade process a breeze.

  2. saniya

    Windows 11 Pro has brought a remarkable change in my computing experience. I want to extend my appreciation to Tressbiz IT Company. Their expert services ensured a smooth and secure transition to the new system. I’m enjoying the sleek design and boosted productivity.

  3. Sanjay

    Ever since I upgraded to Windows 11 Pro, my experience has been nothing short of spectacular. Thanks to Tressbiz IT Company for making the transition seamless and effortless. Their team provided me with excellent guidance and support throughout the process, truly showcasing their professionalism. The new system is remarkably efficient and user-friendly.

  4. yathish

    I am genuinely impressed with Windows 11 Pro! The improved multitasking and direct access to Android apps are game-changers. A big shout out to Tressbiz IT Company, whose professional services made the upgrade stress-free and easy. Their team was patient, knowledgeable, and highly competent.

  5. shiela

    I recently upgraded to Windows 11 Pro, and it’s been a revelation. The system is streamlined, intuitive, and offers a host of new features. But what truly made the experience great was Tressbiz IT Company. Their excellent customer service and technical expertise ensured that the transition was smooth and hassle-free.

  6. surrender

    Windows 11 Pro is truly an upgrade! It’s a joy to use and comes with exciting features. I want to give credit where it’s due – Tressbiz IT Company. Their professionalism and commitment to quality service made the transition easier than I had imagined. They are truly a leader in their field.

  7. Ammara

    Before buying this window activation key, i was really apprehensive about its authenticity. But after getting this in the form of paper, i scrateched my key and used it. I am really glad that this is absolutely original and works perfect!

  8. Kevin

    Received on time. Instructions letter was attached for easy understanding of usage.

  9. Morten

    The product activated sucessfully.

  10. Jamal

    Original product

  11. Nathan

    Bougth without any problems installing it. Delivered through email quickly and the seller was very responsive to all of my questions. I can say its worth the purchase and the best operating system that I have ever used.

  12. Kenneth

    The seller did a great job
    There are no issues with this product, it’s legit, and it’s brand new
    After purchasing it, I had it working within 10 minutes

  13. Dannah

    Legit copy of win11 pro. No network adapter troubleshooting required..

  14. Sunil

    I had Win 8.1 and I changed to Win 11 pro and its installation is simple. Since I purchased the item 2 months ago, I haven’t needed any additional support.

  15. Shekira

    It is an amazing operating system that has exceeded my expectations. Speed, smoothness, and responsiveness have been improved

  16. Allyza Marie

    After I built my PC and installed Windows 11 Pro, it said it didn’t meet system requirements. Instead of Windows itself telling me what I needed to fix I had to find help from someone else. Other than that it works as it should.

  17. Ahmad

    The process is easy, fast, and works perfectly.

  18. Danillo

    Smooth transition. However, takes time to get use to configuration

  19. Deepak

    They will provide you with a product key, which you can enter into your computer and let your PC handle the rest. A must buy if you want a better OS. Recommended!

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