If VirtualBox is not showing 64-bit Operating System, Enable Hardware Virtualization or Disable Hyper-V. More suggestions are here in this post.

To install VirtualBox Guest Additions on your Windows 11/10 machine, you can follow the step-by-step instructions provided in this post.

Install Windows 10 Technical Preview on VirtualBox Start by setting up a new machine in VirtualBox, give the machine a name, and select Windows 8.1 (32 or 64-bit) depending on the version you ...

Most importantly, 2.0 supports running 64-bit operating systems, like Windows Vista and certain Linux distributions, on a 64-bit computer.

One of the Windows 10 ISO files A spare computer to install it on (Microsoft does not recommend using your daily driver), or VirtualBox installed on your main machine.

VirtualBox is flexible enough to handle many types of 32-bit and 64-bit configurations. If you need to run a 32-bit version of XP in a 64-bit host, you can do that without any problems.

On the next screen, make sure that your virtual disk has at least 16GB allocated to it for the 32-bit version of Windows 8. The 64-bit version needs a minimum of 20GB.