This driver is provided as a courtesy and only use it if you are unable to obtian the latest Thunderbolt software and driver from your PC manufacturers.

It is possible that your PC maker provides much older Thunderbolt driver on their site, as the result, you might see some issue when accessing to CalDigit's Thunderbolt device. If that is the case, please use the latest software driver from CalDigit download site as CalDigit is trying to maintain and update generic Windows Thunderbolt driver from Intel and provides the best Thunderbolt user experience to our customers.
 
To obtain the latest Thunderbolt driver, you can look it up online but the followings are some popular PCs and their Thunderbolt drivers.

https://downloadcenter.intel.com/download/28735/Thunderbolt-3-DCH-Driver-for-Windows-10-for-Intel-NUC
https://www.dell.com/support/home/en-us/drivers/driversdetails?driverid=tbt76
https://support.hp.com/us-en/document/c06961405
https://support.lenovo.com/us/en/downloads/ds501904-thinkpad-thunderbolt-3-driver-for-windows-10-7-8-81-32-bit-64-bit

If you have any questions, please reach to support@CalDigit.com