Once you have downloaded and installed Quartus II software, you will find the USB-Blaster driver file within the installation directory. Here is a typical path on a Windows system: \Quartus_13_1\quartus\drivers\usb-blaster\usbblstr.inf
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Once you have downloaded and installed Quartus II software, you will find the USB-Blaster driver file within the installation directory. Here is a typical path on a Windows system: \Quartus_13_1\quartus\drivers\usb-blaster\usbblstr.inf
Step4 Driver Hot Download: Essential Update and Installation Guide st ep4 driver hot download