How to authorize the microphone on a Mac computer? 中文 1. On your computer, click the Apple icon and then click System Preferences. 2. Click Security & Privacy. 3. Click Privacy, find Microphone on the left side, and click the small lock icon in the lower - left corner. 4. Enter your password to allow changes, and then select the program you want to use the microphone with (here, select the eLink Live app or eLink Assistant).