The difference between October and May? About 16GB, says Microsoft: Windows 10 1903 will need 32GB of space

Microsoft has confirmed that Windows 10’s voracious appetite for storage remains undiminished in the upcoming May 2019 Update (1903). Noted by Pureinfotech, Microsoft has quietly updated the minimum storage requirements for the OS from 16GB for 32-bit versions and 20GB for 64-bit to 32GB. Notably, the Windows 10 IoT Enterprise storage requirements remain at 16GB and 20GB for 32 and 64-bit versions respectively.