How do I install a driver for LabQuest Viewer software to enable communication with LabQuest 2 via USB?

This information pertains to LabQuest 2.
If you have an original LabQuest, see Original LabQuest Troubleshooting and FAQs (Full List)

Attempt to install the driver automatically:

TIL 2638: My Windows XP computer fails to install a driver when using LabQuest Viewer software with a LabQuest 2 via USB connection.

If the procedure above does not work, for example, if you do not have an internet connection, then download and save the following file to another device such as a USB storage device:

For 32 bit OSes, download:
http://www.vernier.com/til/files/2705/vernier_labq2_usb_viewer_driver.zip

For 64 bit OSes, download:
http://www.vernier.com/til/files/2705/vernier_labq2_usb_viewer_driver64.zip

Transfer the USB storage device to your Windows XP computer. Unzip the file.

Follow these driver installation steps:

1. Run the Found New Hardware Wizard by following the procedure in TIL 2638 above. Select either option labeled "Yes." Choose Next.
   Note: You may require Administrator rights for this procedure based on your local configuration.
2. Choose "Install from a list or specific location (Advanced)." Choose Next.
3. Check the box for "Include this location in the search." Choose Browse. Select the folder containing the unzipped file you downloaded. Choose Next.
   Note: You will see a warning about an unsigned driver. Do not stop. Although this driver has been tested by Microsoft, this particular installation procedure generates a warning message. Choose Continue. The driver will be installed.