First, the bad news: There is no "N5 Corporation." You won’t find a sleek headquarters in Silicon Valley.
: They uninstalled the existing "USB Live camera" entries that were ghosting from a previous setup. The Rebirth n5 webcam driver link
Use the Microsoft Update Catalog or archive.org: First, the bad news: There is no "N5 Corporation
For the majority of N5 webcams (specifically NexiGo/Chicony models), the manufacturer does not typically host a standalone driver file on their public website. This is because the device is designed to be "Plug-and-Play." n5 webcam driver link