The ASPI Drivers may be mandatory in case you want to use some third-party programs to burn CDs and DVDs.
Note: This is an old driver for Windows XP and Windows 2000. It has not been updated for later versions. For a more recent option, try the Nero Platinum Suite.
What are the key features of ASPI Drivers?
The wnaspi32.dll file represents an ASPI (Advanced SCSI Programming Interface) driver which allows burning pieces of software to recognize and handle CD/DVD burners. WNASPI can only be copied in the application directory but not in a system directory.
Is it free?
Yes, it is free to use.