: For modern Windows systems, it is often best to use an emulator like DOSBox or a virtual machine running Windows XP/2000, as the software was originally built for these older OS architectures. Mounting the Disk : If using an ISO file, mount it as a virtual drive.

Because this is legacy software often requiring a physical CD or a specific "key" to run, modern installation usually requires workarounds for compatibility:

: Allowed for broad searches across millions of records, such as finding every individual with a specific surname in the entire UK or everyone living on a particular street.

: Locate and run ukid.exe or DOSINST.EXE from the root of the disk directory.