Notes on getting a signing key for driver signing http://technet.microsoft.com/en-us/library/dd919238%28v=ws.10%29.aspx Start MMC as administrator (start a console as administrator, launch mmc from there). Use MMC to add the certificates snap-in for ComputerAccount on Local computer Create a key store for our keys called AltusMetrumCertStore Add our key from ~/altusmetrumllc/altusmetrum-key.p12 # Our cert is now called "Altus Metrum, LLC" Create a new directory with a simple path. Copy altusmetrum.inf to that directory # contains the altusmetrum.inf file we ship. Make sure # is otherwise empty or inf2cat will get confused inf2cat /driver: /os:7_X86,7_X64,8_X86,8_X64 signtool sign /s AltusMetrumCertStore /n “Altus Metrum, LLC" /t http://timestamp.verisign.com/scripts/timestamp.dll altusmetrum.cat