Constant plugging and unplugging of physical USB licenses can lead to wear or loss.
The addition of the word to the "Multikey 1811 x64 SolidCAM" keyword is a marketing trick used by crack uploaders. They repack the same 2018 driver, add a new registry script, and label it "New" to trick returning users into downloading again (and generating ad revenue for the file hosting site).
A virtual key allows software to run on workstations without needing a physical dongle present at all times.
As the cutter traced the final contour, a bright blue shaving peeled away, thin and springy, a tiny ribbon of metal that reflected the workshop lights like a promise. The ring shimmered in the vise. She removed it carefully, feeling its warmth, and inspected the spline. The teeth sat perfect, a matte of tiny machining marks that would be polished out after inspection.