Upgrade Windows 10 Home to Pro – Lifetime License | Windows 10 Pro Upgrade Key

Original price was: $20.00.Current price is: $12.99.

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Instant email delivery — your key and download link arrive within minutes.

Genuine Windows 10 Pro upgrade key — upgrade Windows 10 Home to Pro in minutes, with no reinstall and no data loss. Lifetime license for 1 PC. Unlocks BitLocker, Remote Desktop, Hyper-V & Group Policy instantly — one-time purchase, backed by our 180-day money-back guarantee.

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Activates on Microsoft’s servers

Genuine Microsoft Product Key

Upgrade Windows 10 Home to Pro in Minutes

Stuck on Windows 10 Home? This genuine Windows 10 Pro upgrade key unlocks every Pro feature on the PC you already own — no reinstall, no downloads, no data loss. Your 25-character key arrives by email within minutes: paste it into Settings → Update & Security → Activation → Change product key, and you’re running Windows 10 Pro with all your files, apps and settings exactly where they were.

  • Upgrade key and step-by-step instructions are emailed immediately after purchase.
  • Lifetime Windows 10 Pro license for 1 PC — one payment, never a subscription.
  • Instantly unlocks BitLocker, Remote Desktop, Hyper-V, Windows Sandbox, Group Policy & Azure AD join.
  • In-place upgrade — your files, programs and settings are untouched.
  • Genuine activation on Microsoft’s servers — works worldwide, any language.
  • 180-day money-back guarantee + free 24/7 activation support.
⭐ The fastest, cheapest way to get Pro on the PC you already own. We guarantee a working key, or your money back.

Windows 10 Pro Upgrade Key — From Home to Pro, No Reinstall

Millions of PCs shipped with Windows 10 Home — which locks away the tools professionals rely on. This genuine Windows 10 Pro upgrade key changes your edition from Home to Pro in an in-place upgrade that takes minutes. Nothing to download, nothing to reinstall, zero risk to your files: Windows simply unlocks the Pro feature set and reactivates against Microsoft’s servers with a permanent, lifetime license — for far less than the cost of a new Pro license.

What You Unlock

Pro feature What it gives you
BitLocker encryption Full-drive encryption that protects your data if the PC is lost or stolen.
Remote Desktop (host) Connect into your PC from anywhere — Home can only connect out.
Hyper-V & Windows Sandbox Virtual machines and isolated, disposable app testing.
Group Policy & domain/Azure AD join Business-grade device management and network membership.
Update control Defer updates until they’re proven stable.

Upgrade Key vs Full Windows 10 Pro License

Your situation This Upgrade Key Full Pro License
PC already runs Windows 10 Home (activated) ✔ Perfect fit Works, but costs more
Clean install / empty drive ✘ Won’t work ✔ Required
Windows 11 Home machine ✘ Wrong key See our Windows 11 upgrade key
Keep all files, apps & settings ✔ In-place, nothing lost ✔ If entered in Settings

Already on Windows 10 Home? This upgrade key is the cheapest legitimate path to Pro. Building fresh? Get the full Windows 10 Pro key.

Requirements

Current edition Windows 10 Home, installed and activated
Hardware If your PC runs Windows 10 Home, it already meets Pro requirements — no TPM 2.0 needed
Internet Required briefly for online activation
Guarantee 180-day money-back + free 24/7 support

Why Buy From Kymakers

Every key is legally sourced, tested before delivery and emailed within minutes with step-by-step upgrade instructions — the safe, legal and cheapest way to upgrade Windows 10 Home to Pro.

Note: this key upgrades Windows 10 Home to Pro. Doing a clean install? You need the full Windows 10 Pro license instead. On Windows 11 Home? See the Windows 11 upgrade key.

Upgrade Home to Pro in 4 Steps

  1. Complete checkout — your upgrade key arrives by email within minutes.
  2. Open Settings → Update & Security → Activation → Change product key.
  3. Enter your 25-character key and click Next — Windows verifies it online and upgrades to Pro. No download, no reinstall, no data loss.
  4. Restart your PC — all Windows 10 Pro features are unlocked, with your files, apps and settings exactly as they were.

Full illustrated walkthrough: How to Activate your Microsoft product key →

Before you buy
Will I lose my files or programs after upgrading?
No. This is an in-place upgrade — your files, applications and settings are completely preserved. Only your Windows edition changes, from Home to Pro.
What do I need before purchasing?
Windows 10 Home installed and activated on your PC. This key upgrades Home to Pro — it does not work for clean installs.
How fast will I get my key, and is it lifetime?
Within minutes of payment, by email, 24/7. Once activated, your Windows 10 Pro license is permanent on that PC — no renewals, no subscription.
What if the key doesn’t work?
Our free 24/7 support fixes it live or replaces the key within 24 hours. Otherwise the 180-day money-back guarantee applies.
Product details
Can I use this key on Windows 11 Home?
No — this key is for Windows 10 Home to Pro. For Windows 11, use our Windows 11 Home to Pro upgrade key.
What Pro features do I unlock?
BitLocker, Remote Desktop host, Hyper-V, Windows Sandbox, Group Policy, domain/Azure AD join and update control.
Will my Pro license survive a reset or reinstall later?
Yes — after activation the Pro license attaches to your device and reactivates automatically on the same PC.
Does it work worldwide?
Yes. Keys are region-free and work with any language version of Windows 10, anywhere in the world.
Add a review
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4.6
Based on 16 reviews
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1-5 of 16 reviews
  1. ZW
    Good value, minor hiccup but resolved

    The key took a bit to come through, which was slightly frustrating, but it worked in the end. Activated without a hitch. Everything validated fine. Much cheaper than going through Microsoft, and it’s completely legit.

  2. OH
    Solid purchase

    The key took a little while to arrive, maybe 20 minutes, but it showed up. Activated without a hitch. Everything validated fine. Much cheaper than going through Microsoft, and it’s completely legit.

  3. MF
    Worked perfectly, very happy

    The download link and key showed up in my email really fast. Followed the instructions on the site and it activated without problems. Asked a question via chat and got a response pretty fast. Recommended.

  4. AR
    Worked perfectly, very happy

    The download link and key showed up in my email really fast. It’s been reliable since day one.

  5. EC
    Brilliant — saved a lot of money

    Would recommend this to anyone looking for a cost-effective licence. Installation and activation took maybe 10 minutes total.

⚡ Instant Email Delivery — KEY IN MINUTES
Upgrade Windows 10 Home to Pro – Lifetime License | Windows 10 Pro Upgrade Key

Original price was: $20.00.Current price is: $12.99.

One-Time Payment · No Subscription​

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Original price was: $20.00.Current price is: $12.99.

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