If your class requires an install of the LockDown browser please follow the following guide
Go to the download page of the lock-down Browser that your instructor provided and select "Install Now"
Once Downloaded open the file on your local computer and select the following options from the installer.
Language: English ( United States )
License Agreement: "I accept the terms of the license agreement"
After it is installed you may launch it from your Start Menu and go to canvas.ccsnh.edu