Since Windows Vista, you cannot just write an INF and load the driver. The package must be signed. You need a .cat (catalog) file generated by inf2cat and signed with a valid certificate, or the driver must be test-signed during development.

To ensure the authenticity and integrity of the driver, INF files should be digitally signed. Digital signatures verify that the INF file and the driver files have not been tampered with or altered during transmission.

\[DDInstall] CopyFiles= MyDriver.sys, MyDriver.dll

An INF file is organized into sections, denoted by square brackets (e.g., [Version] ). Each section contains directives that guide the installation process. Let's look at the critical sections you will find in almost every driver package.

In this example: