You can find an online version of the setup guide/Quick Start Guide for the TBT4-UD5 at the link below:

https://media.plugable.com/downloads/qsg/tbt4-ud5/tbt4-ud5_qsg.pdf 

For Frequently Asked Questions regarding the setup of your TBT4-UD5:

https://media.plugable.com/downloads/qsg/tbt4-ud5/tbt4-ud5%20faq.pdf 

Feel free to reach out directly to us at support@plugable.com if you have any further questions setting up your TBT4-UD5!