Operating System Licenses - Guaranteed Activation

Buy operating system licenses on ESD Codes: instant email delivery, secure payments and fast support. Save up to 70%—Buy now!

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ESD Codes - The genuine software, at the price you've been looking for

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Instant Delivery
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Secure Payments
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Lifetime Support
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Money Back Guarantee
If it doesn't work, we'll refund you
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Secure Activation
Original licenses guaranteed

Frequently Asked Questions from Customers

Yes. If you upgrade an existing version (e.g. from Windows 10 Home to Pro), you will not lose any data. Simply enter the new product key and follow the instructions.

Download the ‘PC Health Check’ app from the official Microsoft website and find out in seconds if your device supports the update.

ESD licences are lifetime licences, do not expire, and can be reused on a new device.

An ESD (Electronic Software Delivery) licence is a digital activation key that allows you to legally install and activate the Windows operating system. It is delivered by email along with instructions and the official download link. It is a secure, fast and environmentally friendly way to obtain an original Windows product key.

Yes, all our Windows licences are original, verified and purchased through official channels. They are perfectly legal under European legislation (EC C-128/2011), which allows the resale of decommissioned software licences, provided they are correctly deactivated and reactivated.

Immediately! Within 1 minute of purchase, you will receive an email containing the product key, the official download link and a complete installation and activation guide. Everything is in digital format, with no waiting and no shipping costs.

After receiving your ESD licence, simply:

  1. Download the ISO from the link provided
  2. Create a bootable USB stick
  3. Install the operating system by following the instructions

It is a simple process, designed for even inexperienced users. You will receive all the support you need.

Go to Settings > System > Activation, click on ‘Change product key’ and enter the code you received. Windows will be activated instantly. If you encounter any issues, our customer service team is available to assist you.

Yes, if you are upgrading from a compatible version (e.g. from Windows 10 Home to Pro), you can enter the new key without formatting. Your data, programmes and settings will remain intact.

Yes, our licences are perpetual and are linked to your Microsoft account, not to your hardware. If you change your PC, you can reuse the same key by deactivating the previous one.

Download the official ‘PC Health Check’ app for free from the Microsoft website. In just a few seconds, you'll find out if your device can be upgraded to Windows 11.

Go to Settings > System > System Information, and look for the ‘Edition’ entry to find out which version of Windows is installed on your PC.

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