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Is the Raspberry Pi OS -- 32 bit and/or 64 bit?
Last updated at 11:31 pm UTC on 11 September 2019


Does the RaspberryPi support 32bit and 64bit operating systems?


Yes and no!


The Raspbian operating system (default OS for the RPi) is a 32bit version of debian for ARMv6 architecture.

The Raspberry Pi Foundation (RPF) is keeping things 32 bit for now and probably for a while because so many 32 bit Pis are out there. They don't have the resources to handle doing both 32 bit and 64bit. This involves supporting them, explaining things to newcomers that load the wrong packages etc.
At some point they will officially support 64bit.

There are user-supported 64bit kernels and some work on 64bit userland to play with. For example there is a 64bit Gentoo version https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=249382.

So for Squeak on RPi at the moment it means 32bit VM and image.

Source: Tim Rowledge