Microsoft Windows 8.1 Professional

Units sold: 1796

(Trustpilot, 448 customer reviews)
(Trustami, 1409 customer reviews)
(44 customer reviews)

$10.99 (includes sales tax)

License: For activation on 1 PC (online or by phone)
Delivery: Download link and instructions delivered instantly by e-mail
Version: For 32 and 64 bit systems, full unlimited versions of software
Languages: English, Spanish, Italian, German, French
Support: 24/7 in English

IMPORTANT: Does not work on Mac OS, IOS, iPad OS, Android, Chromebook!

Includes taxes and free shipping.

Delivery in 2 minutes!

Spring Sale Specials!!!! Offer valid till Jul 07, 2022 or until stocks last

Only 3 left in stock

SKU: W81P Categories: ,


As an update to Windows 8, Windows 8.1 Professional is aimed particularly at companies and professional users. A welcome addition ist the support for to  compatible tablets and handhelds, Microsoft Windows 8.1 Professional sports a revised user interface, new features, functions and applications. The tile format gives you a good overview of important apps and documents. Fast access is guaranteed,  copy and system processes are processed more quickly.


Minimum system requirements

1 GHz or faster dual core CPU

1 GB of RAM for 32-bit or 2 GB of RAM for 64-bit.

20 GB available hard disk space

44 reviews for Microsoft Windows 8.1 Professional

  1. gerhard schaeffer

    Great transaction(s)! Very fast and without any problems. I definitely recommend this online seller! 5 stars for every purchase!

  2. lynetten andreas

    The product was delivered immediately and works well.

  3. marko dzojic

    Paul was very good at solving our download of Microsoft. He was very knowledgable and pleasant to assist.

  4. daniel kuettner

    Has everything worked perfectly. Works wonderfully Fast delivery, good quality everything good 👍 Thank you very much

  5. dennis luebbe

    Always helpful

  6. justin zwenkau

    Very good and fast shipping. Everything is very good, the product is as described. I can only recommend it.

  7. Charles

    Super fast thank you

  8. Max Heß

    Very nice seller. Took a lot of trouble to inform me about the details of the item. In the end it met my expectations and worked. Again and again

  9. Margarethe Maier

    Super service, support helps very quickly with problems. Clear recommendation

  10. Ancel Will

    Top seller. Fast shipping. Smooth communication. Gladly again.

  11. Jay Callin

    Fast and uncomplicated delivery

  12. Vinny Coleman

    Immediate attention totally reliable !!!!

  13. Jefferson

    Just great. Bought, a few minutes later the key was there. thanks!

  14. Jens.schlosser23

    Just to recommend. Will gladly do it again. Thank you 👍🏼⭐️⭐️⭐️⭐️⭐️

  15. P-jahn

    Very fast delivery, good quality, thank you very much.

  16. Andrea Nowak

    Super fast shipping! Item just as described! Thank you 🙂

  17. Leyla Fritz

    Totally satisfied. Amazing customer service, the provided me a solution within a 5 minute timeframe. 

  18. Otto -S

    I can only recommend to anyone because the key activates and installs perfectly.

  19. bestellung

    Reliable, fast service and the best prices.

  20. John Hiller

    I have used MSSoftware a few times to purchase Windows and Visio for different PCs. Most of the time the software download link and product key arrive almost instantly. Last time there was a glitch, but an email to the sales team fixed it very quickly.

  21. Angel Cruz

    Extremely good prices and their customer support team never seems to sleep!

  22. Geovani

    Excellent personalized attention, that’s what you need when you buy online.

  23. Matt Wolfe

    Everything is fine, happy again! I can only recommend this store

  24. pablo bellido 

    Super fast processing and shipping by mail.

  25. Martin Mercier

    Great price/performance ratio, I am very satisfied.

  26. Emi C.

    I can only recommend this team!

  27. Sebastian Martinez

    I highly recommend buying from this store because it is very very reliable.

  28. Sofie Konig

    everything as described, I’m satisfied

  29. Elizama Peixoto

    Very very good service and support!

  30. Christiane Becker

    Fast and also apropiate support!

  31. Natalie Beckham

    Product was legit and worked as expected. Thank you as helped make it possible to bring an old PC back to life. Great seller

  32. James Johnson

    The license is of very good quality and works very well, thank you, I recommend it.

  33. Elsa G.

     Really top customer service *****!

  34. duran

    Super prices, super and fast support. Simply terrific.

  35. Gus Washington

    Fully satisfied.

  36. Grace  Beckham

    Everything worked smoothly.

  37. Renata Flores

    Price is very competitive, I ordered 5 keys & all worked without any issue. Fast delivery & Authentic keys

  38. Schröder

    Would recommend immediately without hesitation. Thanks for the support and patience.

  39. Lucrecia

    First-class product.Really does the job very well.

  40. Laura Potter

    My code worked. It was immediately sent to my email after purchase in the same mail with the purchase confirmation. Activation confirmed by Windows in Configuration


    It Installed first time, so no complaints at all.

  42. Jill Blades

    Fast delivery and excellent explanation, a matter of good reading and not wanting to go too fast. It takes some time, but then you have something.

  43. Maurice

    Great price for good performance.

  44. Eduardo S.L.

    Keys arrived in less than 2 minutes. Very friendly service. Thank you very much and I will be happy to order again.

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