: VirtualBox 5.2.x is the final version series that can be installed on a 32-bit host. Version 5.2.44 is frequently cited as the most stable release for Windows 7 32-bit hosts.
While modern VirtualBox versions (7.x) require a 64-bit host, they remain fully capable of running 32-bit "Guest" operating systems (VMs). This is useful for legacy software that won't run on Windows 11 64-bit. virtualbox 32 bit
If you are using an older computer with a 32-bit (x86) operating system—such as Windows 7 32-bit or an older Linux distribution—you cannot use the latest versions of VirtualBox. : VirtualBox 5