How to Install Windows 10 without Entering a Product Key?

How to Install Windows 10 Without a Product Key: A Comprehensive Guide.

In the realm of operating systems, Windows continues to dominate a substantial portion of the market, with a vast number of users still ardently clinging to older versions like Windows 7 or 8. If you’re in this camp and are curious about experiencing the newer features of Windows 10, there’s no need to rush into purchasing a license key just yet. Instead, consider a more practical approach: Install Windows 10 on a separate partition of your computer to give it a test run. This allows you to delve into the world of Windows 10 without any commitment or disruption to your existing files and settings. In this guide, we’ll walk you through the steps to achieve just that, ensuring you can preview Windows 10 in its entirety before making any decisions about purchasing and activating an official key.

Is it Possible to Install Windows 10 Without a Valid Product Key?

Many users are curious about installing Windows 10 without the immediate need for a valid product key. Fortunately, Microsoft offers a feature that allows you to download and try Windows 10 on your computer without the necessity of entering a product key during the installation process.

If you’re wondering how to take advantage of this option, you’re in the right place. This article will guide you through the steps to install Windows 10 on your system while bypassing the requirement for a product key.

Here’s how you can do it:-

  1. Download Windows 10: First, you’ll need to download the Windows 10 installation media from the official Microsoft website. You can create a bootable USB drive or use an ISO file for this purpose.
  2. Begin the Installation: Insert the bootable USB drive or mount the ISO file, and start the Windows 10 installation process.
  3. Skip Product Key Entry: During the installation, you will be prompted to enter a product key. However, there is an option to skip this step. Simply click on “I don’t have a product key” when you reach this stage.
  4. Select Edition: Choose the edition of Windows 10 you want to install (e.g., Home or Pro) and proceed.
  5. Complete Installation: Follow the on-screen instructions to complete the installation. Windows 10 will be installed on your system without requiring a product key.

It’s important to note that while you can install and use Windows 10 without a product key, there will be limitations. For example, you won’t be able to personalize your desktop or access certain features. However, this allows you to explore Windows 10 thoroughly before deciding whether to purchase and activate an official product key.

In summary, Microsoft provides the flexibility to install Windows 10 without an immediate need for a valid product key, allowing users to test the operating system before making a commitment.

Is it illegal to install Windows 10 without having a valid activation key?

You do not have to worry about the legality of the feature since it is provided to you by Microsoft itself. It is complete, so you can read, understand, and take the time to decide and purchase the key. However, it would help if you were careful that installing Windows 10 successfully without a product key won’t automatically activate your copy of Windows 10. It would help if you used a legal (OEM product key). Also, you won’t be allowed to use 100% of the features on your system. It would help if you got the officially licensed product key to use all the features.

How do I install Windows 10 without entering a product key?

Follow these steps in depth to install Windows 10 without entering a product key:-

Step 1: To get started, create a bootable USB flash drive of Windows 10 and begin installing Windows 10 from it.

Step 2: Yes, during the Windows 10 installation process, if prompted for a product key, selecting the “I don’t have a product key” option allows you to proceed with the installation. This installs a trial version of Windows 10. After installation, you will be able to use Windows 10 for a limited period without activating it. However, after the trial period ends, you’ll receive regular reminders to activate the OS, and certain features may be limited until activation is completed. If you have a valid product key at a later date, you can enter it through the system settings to fully activate Windows 10.

Indeed, when you enter a product key to activate Windows 10, the operating system communicates with Microsoft’s servers to validate the authenticity of the key. It’s crucial to ensure that the key is unique to the device you’re installing it on. Using the same product key on multiple devices can lead to activation conflicts. When the system recognizes that the same key is being used on another machine, it may result in deactivation or reduced functionality on one or both of the devices. It’s always recommended to use a genuine and unique product key for each installation to ensure continuous, uninterrupted use of Windows 10 and to stay within Microsoft’s licensing terms.

You can also check out the guide to recovering Windows 10 product keys from BIOS/EFI using the Windows 10 Product Key Tool.


Installing Windows 10 without a product key is an option Microsoft offers to users who want to test out the operating system before making a financial commitment. While the process is straightforward, users should be aware that this installation will have limitations. The operating system will operate as a trial version, which means some features will be restricted. Users should also remember the importance of using a genuine and unique product key for each installation to ensure the best user experience and adhere to Microsoft’s licensing terms.


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