OSBoxes is a long-standing project providing pre-installed GNU/Linux and Windows virtual machines.
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A is the native hard disk file format for Oracle's VirtualBox. Unlike an ISO, which is a virtual installation disc, a VDI file often contains a pre-installed operating system that can be "attached" to a new virtual machine (VM) for immediate use. Where to Download Windows XP VDI Images which is a virtual installation disc
: A well-known site that provides pre-built VirtualBox VDI images for various operating systems, though their XP offerings are often periodically updated or moved. virtualbox windows xp vdi image download