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Windows 10 Professional Retail 5 PC Activation Key
79.99 $ USD
- ✔One Retail key, 5 activations: activate Windows 10 Pro on up to 5 PCs
- ✔Save vs. buying 5 single keys: about $16 per PC
- ✔Upgrade from Home to Pro, or activate a fresh install (32 & 64-bit)
- ✔Free upgrade path to Windows 11 Pro on compatible PCs
- ✔Fast delivery by email, with free activation support
- ✕Windows 10 regular support ended in October 2025
Windows 10 Professional – 5 PC Retail License
Upgrade your whole home or small office at once. This Windows 10 Pro 5 PC key is one genuine Retail license with 5 activations, so you can activate Windows 10 Pro on up to 5 computers. Lifetime use, no subscription, and a lower price per PC than buying single keys.
ℹ️ Good to know before you buy
You receive one product key with 5 activations: use the same key on each PC. Microsoft ended regular support for Windows 10 on October 14, 2025. Windows 10 Pro keeps working, and on compatible PCs you can upgrade to Windows 11 Pro for free with this same license.
Why Choose the 5 PC License?
🖥️ 5 PCs, one key
Activate Windows 10 Pro on up to 5 computers with a single Retail key.
💰 Lower price per PC
About $16 per PC, instead of $19.99 for each single key.
🏢 Ideal for small offices
Give every PC the same Pro features for work: BitLocker, Remote Desktop and domain join.
What You Get With Windows 10 Pro
🔒 BitLocker encryption
Encrypt your drives so your files stay protected if a PC is lost or stolen.
🖥️ Remote Desktop
Connect to your PCs from anywhere and work as if you were in front of them.
🧩 Hyper-V & Sandbox
Run virtual machines and test unknown apps safely.
🏢 Business tools
Group Policy, domain join and Microsoft Entra ID for company networks.
⬆️ Free path to Windows 11
Upgrade to Windows 11 Pro on compatible hardware, using the same license.
🔁 Transferable Retail license
Move an activation to a new PC when you replace hardware.
License Details
| License type | Retail, lifetime use |
| Activations | 1 key for up to 5 PCs |
| Upgrade | Upgrades Windows 10 Home to Pro, or activates a fresh install |
| Versions | 32-bit and 64-bit, multi-language |
| Delivery | Product key and official Microsoft download link by email |
| Support | Free activation help by email and Live Chat |
System Requirements
| Processor | 1 GHz or faster |
| Memory | 1 GB (32-bit) or 2 GB (64-bit) |
| Storage | 32 GB available disk space |
| Graphics | DirectX 9 or later with WDDM 1.0 driver |
| Display | 800 × 600 |
| Other | Internet access for activation |
🛠️If Your Key Doesn't Activate
- Enter the same key on each PCGo to Settings → Update & Security → Activation → Change product key, and paste the key from your email.
- Upgrading from Home?Entering the Pro key in Settings upgrades Home to Pro automatically. If you see error 0x803FA067, follow our Home to Pro guide.
- Seeing error 0xC004C008?All 5 activations may already be in use. See our key already in use guide, or contact us.
- Seeing error 0xC004F050?Copy and paste the key instead of typing it. See our product key didn't work guide.
Still stuck?
Send us your order number and a screenshot. We typically reply within 1–6 hours.
💬Frequently Asked Questions
Do I get 5 keys or 1 key?
Can I upgrade Windows 10 Home to Pro?
Can I upgrade to Windows 11?
What if I replace one of my PCs?
Need just one PC?
What's your refund policy?
Activation Help Guides
Instant Digital Delivery
This is a digital product, so there's nothing to ship and no waiting for a package. Your key arrives by email, usually within 10 minutes after payment, and never later than 6 hours.
1. Complete your payment
Pay securely by card, PayPal or Google Pay. Your order is confirmed instantly.
2. Check your email
Usually within 10 minutes (up to 6 hours at busy times), you receive your product key, the official download link, and step-by-step instructions.
3. Install & activate
Follow the instructions in the email. Activation takes just a few minutes.
| Delivery time | 10 minutes to 6 hours |
| Delivery method | |
| Shipping cost | Free, no physical shipping |
| Payment | Visa, Mastercard, American Express, Discover, PayPal, Google Pay |
📩 Didn't receive your email?
Check your Spam or Promotions folder first. Still nothing? Contact us at support@krbkeys.com or via Live Chat with your order number, and we'll resend it right away.
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