How to downgrade from Windows 10 Enterprise to Windows 10 Pro. Switching from Windows 10 enterprise to pro can make sense for users, especially SMBs, who no longer need advanced enterprise features. Before we begin, be sure to subscribe to Ninja One's IT Video Hub and our YouTube channel. For more tech content like this Ways to downgrade, there are two main ways to downgrade. Use a valid Windows 10 Pro product key. If you have a valid Windows 10 Pro product, key open settings, go to update and security, then activation. Click change product key. Enter your pro key and follow the prompts. Restart your PC to complete the downgrade. This method preserves your files and apps. Perform a clean installation. If you don't have a product key, you'll need to do a clean installation. Start by backing up all important data to an external drive or cloud storage. Next, download the Windows 10 Installation media tool from Microsoft's website. Use it to create a bootable USB drive with at least eight gigabytes of space. Restart your PC and boot from the USB drive. You may need to press a key like F two or F 12 to access the boot menu. Once Windows set up loads, choose your language and click install. If prompted, enter your pro product key or select. I don't have a product key product Key tip. If your product key doesn't work, make sure it's for Windows 10 Pro, not enterprise or a volume license. You can check your current license type by opening command prompt and entering S-L-M-G-R dash DLI. Driver tip. After downgrading, re-install missing drivers using Windows update, or by downloading them from your PC manufacturer's website. Downgrade preparation summary downgrading from Enterprise to Pro requires some preparation. Whether you're using a product key or performing a clean install, back up your data, verify your license type download essential drivers in advance. Switching to Windows 10 Pro is achievable with the right steps, whether you're simplifying your system or saving on licensing costs. For more information, check out our official blog post on how to downgrade from Windows 10 Enterprise to Windows 10 Pro. Linked in the description below.