Don't know if it will work with a USB numpad, but there's a freeware program called Sharpkeys that I use on my laptop to make the Capslock key into a Windows key. It might do what you're looking for.

Whether you care about Microsoft’s Copilot AI assistant or not, many new PCs introduced this year have included a dedicated Copilot key on the keyboard; this is true whether the PC meets the ...

Great build quality and typing feel. True full-size layout. Full programmability and customizability, with emphasis on ease of disassembly and repairability. Looks great. Pricey. Too heavy to carry ...