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Genuine Microsoft Software
License Keys & COA Stickers

Trusted global supplier of authentic Microsoft Windows and Office license keys. 100% online activation, lifetime warranty, and fast delivery. Serving businesses and individuals worldwide with premium software solutions.

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100% Genuine

Authentic Microsoft OEM and retail licenses guaranteed.

Instant Activation

Activate online immediately after purchase.

Lifetime Warranty

Permanent license with no expiration.

Who We Are

Haifu Software Trading Co., Ltd. is an award-winning supplier of Microsoft software, providing professional software solutions for companies and individuals around the world.

As a trusted global distributor, we specialize in genuine Microsoft Windows and Office license keys, COA stickers, retail boxes, and digital activation codes. Our mission is to deliver authentic, reliable, and affordable software licensing to customers across all regions.

100% online activation guaranteed
Genuine OEM and retail licenses
Lifetime warranty on all keys
Fast delivery within 1-2 days
Microsoft Software License

Our Best-Selling Products

Explore our wide range of genuine Microsoft software licenses, including Windows 10/11 and Microsoft Office keys in various formats.

Microsoft Office 2021

Office Home & Business 2024

Medialess box full package binding key retail version

  • Type: Retail Box
  • Activation: Online
  • Warranty: Lifetime
Get Best Price
Windows 10 Pro

Windows 10 Pro COA Sticker

Global area 32/64 bit, lifetime guarantee

  • Platform: Windows
  • Type: OEM KEY
  • Activation: Online
Get Best Price
Windows 11 Pro

Windows 11 Pro OEM Sticker

100% online activation, full package

  • Version: Win 11 Pro
  • Type: OEM COA
  • Shipping: Fast, Free
Get Best Price
Office 2019

Office Professional Plus 2019

USB online key activation software

  • OS: Windows
  • Type: Office 2019
  • Delivery: 1-2 days
Get Best Price
Windows 10 DVD

Windows 10 Pro OEM DVD

32/64 Bit, Multi-Language Support

  • Language: Multi-Language
  • Format: DVD Pack
  • Activation: Online
Get Best Price
Windows 11 Retail Box

Windows 11 Pro Retail Box

USB digital key, lifetime guaranteed

  • Version: Win 11 Pro
  • Format: USB Box
  • Shipping: DHL Free
Get Best Price
Office 2021 Key

Microsoft Office 2021

Professional Plus, full retail package

  • Type: Retail / OEM
  • Activation: Online
  • Warranty: Lifetime
Get Best Price
Windows 10 Retail Box

Windows 10 Pro Retail Box

32/64 Bit, Global Activation

  • Platform: Windows 10
  • Format: Retail Box
  • Support: PC / Tablet
Get Best Price
View All 246+ Products

Why Choose Us?

We combine authenticity, reliability, and customer service to deliver the best software licensing experience.

Genuine Licenses

All keys are 100% authentic Microsoft OEM or retail licenses.

Instant Delivery

Receive your key within 1-2 business days via email or physical shipment.

Lifetime Warranty

No expiration — your license is valid forever with full support.

Global Support

Multi-language keys available for worldwide use.

246+
Software Products
150K+
Keys Sold
1-2
Day Delivery
100%
Activation Rate

Frequently Asked Questions

Everything you need to know about our software licenses.

Are these keys genuine and legal?

Yes. All keys are genuine Microsoft OEM or retail licenses sourced through authorized channels. They are fully legal and activate directly with Microsoft servers.

How do I activate the software?

After purchase, you'll receive a product key. During Windows or Office setup, enter the key when prompted. The system will connect to Microsoft’s servers to validate and activate your software online.

Is there a refund if activation fails?

We guarantee 100% activation. If for any rare reason activation fails, we will replace the key immediately at no cost.

Can I use the key on multiple computers?

No. Each license key is valid for a single installation only, in compliance with Microsoft’s licensing terms.

Do you offer bulk discounts?

Yes. We provide special pricing for volume purchases. Contact us for a custom quote based on your needs.

Get In Touch

For quotes, bulk orders, or support, visit our official website to contact the team directly.

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