Windows 10 Professional OEM (Download)

SE

StaticFlux_Editz

1 review

Great experience

The experience to get a copy for a microsoft home activation key was actually really great, they gave me both the order, what was credit was used, and all that stuff.

Jan 24, 2026

JE

jan erik stenhaug

NO • 1 review

Veldig bra!

Rask levering av Win 10 Pro lisens. Mottok lisens nøkkel på mail bare sekunder etter betaling. Veldig rask og god kundesupport også.

Sep 17, 2024

II

Iliana Ismaili

1 review

Thank you very much!

I purchase Microsoft 365 but after I realised I had missed a letter on my email, so I contacted customer service about my issue and they responded very fast and send me my key.

Nov 21, 2025

PT

Customer from Portugal

PT • 1 review

Just 5 stars - TOP!

Just 5 stars. Customer service is top top, and product is TOP ASWELL! RECOMEND. LOVE from portugal

Apr 2024

CU

Customer

1 review

Product key worked perfectly

Product key worked perfectly. Delivery was instant and smooth. 5 stars from me!

2024

CU

Customer

1 review

Received key in less than 30 sec!

Received the key in less than 30 sec! Worked and activated my windows without problems. I will definitely recommend you ??

2024

CU

Customer

1 review

Ordered windows key - couldn't be easier

Ordered a windows key, recived a working windows key few seconds later. Couldnt be easyer. Five stars from me

Nov 2023

CU

Customer

2 reviews

Second time - everything perfect

It's the second time that I purchase software license from your site and everything it's perfect. Thank you!

Nov 2023

ME

Mette

1 review

Very fast delivery

Very fast delivery. Windows key worked perfectly

Nov 2023

LI

Lisa

1 review

Instant delivery and easy to install

Instant delivery and easy to install. I am very satisfied with the transaction from this company.

2024

CU

Customer

1 review

All went as expected

All went as expected instant delivery key worked as it should highly. Recomended

2024

CU

Customer

1 review

Support extremely helpful

I ordered the wrong product key but the support were extremely helpful and sent me the key I needed for windows 11. Would definitely recommend, 5 stars

2024

CU

Customer

1 review

Absolutely fantastic service

Absolutely fantastic service. Very cheap prices and received the key immediately.

Apr 2024

CU

Customer

1 review

Everything went smooth

Everything went smooth. Fast delivery and great support.

Apr 2024

CU

Windows 11 Pro Customer

1 review

Windows 11 Pro upgrade

Just purchased a new pc with Windows 11 home installed but I wanted 11 Pro. I paid my 4.99 euros, received the activation code instantly and within 5 minutes my new pc is now running Windows 11 Pro. Totally fantastic!

Jul 2024

CU

Customer

1 review

Fast and inexpensive

Fast and inexpensive process for purchasing and activating Microsoft products.

Jul 2024

CU

Customer

1 review

Key worked perfectly fine

Fast and easy. Key worked perfectly fine.

Jul 2024

CU

Customer

1 review

Great customer service

Great customer service, i accidentally bought the wrong one but they were so quick to help me!

Jul 2024

CU

Customer

Multiple purchases

Excellent experiences

Had nothing but exellent experiences with InstantCdkey. I have purchased many licences for Windows 10 and 11, MS Office for both Mac and Windows and they all worked perfectly without any issues.

2024

CU

Customer

1 review

Company walks with you

The company is great because after a purchase of the software they walk with you until the software is activated and becomes legal.

Apr 2024

CU

Customer

1 review

Very well organized company

Very well organized company. I sent an email and after a couple minutes they answered me with everything I needed to know.

Apr 2024

CU

Customer

1 review

Very good experience

Very good experience!!! And the support was amazing fast !!

Apr 2024

CU

First-time Customer

1 review

Support responded within 5 minutes

As my first purchase of a cdkey for windows I had an error with the key and the team support responded within 5 minutes with an instant solution 5 stars from me fastest response ever

Nov 2023