Do not manually copy files into these folders unless you are an advanced user. Windows manages them automatically.
Are you trying to , or do you just need the driver for general development ? qcser.inf download windows 10
The .inf extension stands for "Setup Information." It is a plain text file used by Microsoft Windows to install software and drivers. Unlike an .exe file, you cannot double-click an .inf file to run a program. Instead, Windows reads the instructions inside this file to know how to install a specific piece of hardware. Do not manually copy files into these folders