When a tool does require a serial number, it is almost always a commercial product. Examples include:
(e.g., a key does one thing in Chrome and another in Photoshop) Vivaldi Community Input Remapper (Linux) : A popular GUI-based tool for Linux users to remap keyboard and mouse buttons Finding Your Physical Keyboard Serial Number key remapper serial number
Instead of hunting for fake serials, use one of these tools: When a tool does require a serial number,