ARM architecture was created in 1983.

No, Android runs on ARM (Advanced RISC Machine) architecture microprocessors. Microsoft does not have any version of Windows that runs on the ARM architecture.

There are plenty of Windows tablets that come with Windows 10 preinstalled.

ARM is a family of instruction set architectures for computer processors based on a reduced instruction set computing architecture developed by British company ARM Holdings.

No. Windows is x86 only, and with mobile variants, ARM. The PSP has neither architecture.

ARM is a processor architecture that incorporates a few different types of microprocessor that isn't built on the x86 protocol.

They are called processors because they ARE processors.