WHAT IS RESPONDUS LOCKDOWN BROWSER?
...
If LockDown Browser has already been installed, skip to the
next section. If not, LockDown Browser must be installed to
each computer (Windows or Mac) being used to take a test.
- download and install LockDown Browser from this link:
https://download.respondus.com/lockdown/download.php?id=919442177 - Follow the onscreen instructions to complete the install.
...