Windows 10:
Removal
1.Click the start menu icon in the bottom left hand corner of your screen.
2. Click on Setting (cog icon).
3. In the Windows settings menu click on Apps
4. Scroll down the list of installed applications to SafeExamBrowser click on it and click uninstall and follow the instructions on the screen to complete the removal.
Follow the attached guide for Windows to install a new version of the Safe Exam Browser
Mac OSX:
Removal
1. From the OSX desktop click on File>New Finder Window
2. Click on Applications on the left.
3. Scroll down to find Safe Exam Browser
4. Right click on Safe Exam Browser and then click "Move to Bin"
Follow the attached guide for Windows to install a new version of the Safe Exam Browser