EXFO PSO-100 Series Optical Sampling Oscilloscopes - Manual (Page 27)

Getting Started with Your Optical Sampling Oscilloscope
Optical Sampling Oscilloscope 19
Installing the Matlab Runtime, USB Drivers and Optical Sampling Oscilloscope Software
3. Select Install from a specific location, and then click Next.
The USB driver is found in your folder under "…\drivers"; indicate it in
the corresponding box. The installation will not pass Windows Logo
testing to verify compatibility with Windows XP.
4. Click Continue anyway to install the driver and complete the process.
5. Click Finish. Windows indicates that it has found new hardware but
recognizes the USB device. A loader was installed at step 2. In a second
step, the real driver is installed by following step 2 and on once more.
Note: The exact appearance of the windows differ slightly depending on which
version of Windows you are using.