The reason for the new storage requirement is set to leave space to install apps and keep data on the device. Also, starting with the May 2019 Update, Windows 10 introduces Reserved storage, a new feature that is meant to reserve part of the available storage for updates, temporary files, system cache, and apps. These are the system requirements to run Windows 10 version 1903 and later (including version 1909) on a desktop, laptop, or tablet: In addition, starting with the May 2019 Update and November 2019 Update, Microsoft is slightly updating the processor requirements to support the 10th Generation processor from Intel and AMD Ryzen 3xxx series chips. Also, the Qualcomm Snapdragon 8CX is making its way to the supported list, which happens to be processor, plus some custom modifications, that the company is using for Surface Pro X. This is the second time that Microsoft is updating the main hardware requirements for Windows 10. Previously, the company increased the minimum requirement of memory to 2GB for the 32-bit version with the Anniversary Update. Update October 21, 2019: This page has been updated to reflect the processor requirements changes of Windows 10. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.