Microsoft is slowly drawing out the support for 32 bit Windows 10. In the company’s minimum hardware requirements for Windows 10 desktop editions, it mentioned that they won’t be providing 32-bit builds of Windows to OEMs for new systems. All the new systems will have to use 64-bit versions of Windows 10.
Below is what the Redmond giant noted about phasing out the 32-bit versions:
Beginning with Windows 10, version 2004, all new Windows 10 systems will be required to use 64-bit builds, and Microsoft will no longer release 32-bit builds for OEM distribution. This does not impact 32-bit customer systems that are manufactured with earlier versions of Windows 10; Microsoft remains committed to providing feature and security updates on these devices, including continued 32-bit media availability in non-OEM channels to support various upgrade installation scenarios.
This applies only to the OEMs but general users will still get updates and can grab 32-bit versions of Windows 10. Nowadays, there is almost no demand for 32-bit CPUs, which could be the reason for this change. Soon there will 64-bit systems as the only option in the market.
People buying new PCs today will unlikely notice this. And recently, most PCs are using 64-bit CPUs, so there is less need for 32-bit od Windows 10.