System Requirements for Windows Server 2025 Datacenter
Windows Server 2025 Datacenter is built for performance, security, and scalability in modern data centers and hybrid environments. To install and run it smoothly, your hardware should meet the following minimum requirements.
Requirement | Details |
---|---|
Processor | 1.4 GHz 64-bit, 2 cores (Recommended: 2.0 GHz+, multi-core) |
RAM | Minimum 2 GB (Recommended: 8 GB+ for GUI) |
Disk Space | Minimum 32 GB (Recommended: 64 GB+) |
Network Adapter | 1 Gbps Ethernet, PCI Express compliant |
Firmware | UEFI 2.3.1c with Secure Boot |
Graphics & Display | Super VGA (1024×768) or higher |
OS Compatibility | Clean install or upgrade from supported versions |
How to Download Windows Server 2025 Datacenter
You can download the official Windows Server 2025 Datacenter ISO directly from Microsoft’s official website using the link below:
Windows Server 2025| Microsoft Evaluation Center
Choose the language you need and click the 64-bit edition link.

Choose a location on your disk to save the Windows Server 2025 Datacenter ISO image.
Then, it will start to download it and you just need to wait patiently. It depends on your Internet speed.
How to Install Windows Server 2025 Datacenter
Booting from Windows server Installation Media
Need help booting from USB? You can follow the step-by-step instructions in this guide: https://kymakers.com/booting-from-windows-10-11-installation-media/
With the boot media ready, we can now proceed to the installation steps to install Windows Server 2025 Datacenter
Choose your preferred language, time, and keyboard settings.

Click “Next” to begin the installation process.
When prompted, enter your Windows Server 2025 Datacenter product key, or select I don’t have a product key to add it later. If you haven’t purchased a key yet, you can get one here.

Choose “Windows Server 2025 Datacenter (Desktop Experience)” for a GUI-based installation.

Accept the license terms to continue.

Choose “Custom: Install Windows only” for a fresh installation.
Select the disk where you want to install the OS. Format the disk if necessary.

Click “Install” to start. The system will copy files and install features, which may take some time and involve automatic restarts.

How to Activate Windows Server 2025 Datacenter
After installation, open Settings > Update & Security > Activation.
Click Change product key and enter the product key received in your email.
Follow the prompts to complete activation.
Note: If you are using Windows Server Datacenter Evaluation instead of the full version, you must convert it before activation.
Open Command Prompt or PowerShell as Administrator and run the following command:
dism.exe /online /set-edition:serverdatacenter /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXXX/AcceptEula
Replace the Xs with your actual product key
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