Here are video instructions for granting Full Disk Access in Techtool Pro when using macOS 12 ‘Monterey’ or earlier. Granting Full Disk Access is required in order for Techtool Pro to perform critical functions, such as testing and repairing disks. Follow these steps to enable Full Disk Access for Techtool Pro:

1. Launch Techtool Pro.
2. When the Grant Full Disk Access dialog appears, click Grant Full Disk Access… button.
3. A new window will appear with step-by-step instructions for granting Full Disk Access to Techtool Pro.
4. In Step 1, click the button labeled ‘Click here to open the Security & Privacy system preference’.
5. The Privacy tab in System Preferences will automatically open, displaying the Full Disk Access table.
6. Click the padlock icon located in the lower left corner of the System Preferences window to make changes.
7. Enter your administrator password when prompted and then click the Unlock button.
8. Return to Techtool Pro and drag the ‘Hot Air Balloon’ icon into the Grant Full Disk Access dialog window.
9. Drop the ‘Hot Air Balloon’ icon into the Full Disk Access list.
10. A message will appear stating that Techtool Pro will not have Full Disk Access until it is quit, select Later. Quitting Techtool Pro is not necessary.
11. Close System Preferences.

Full Disk Access is now enabled, allowing Techtool Pro to function as intended.