1.  If you see a warning message when installing driver or software

Open Security Preferences and choose Allow. Or go to open System Preferences > Security & Privacy and choose Allow.

It will be necessary to restart the computer to enable the new setting.

2. If you see a warning message when installing driver or software, “Installer” would like to access files in the folder that the driver or software installation file is saved; press OK to allow the access and make the install process continue.

3. If you see a warning message when installing driver or software, press OK to allow access and continue with the installation.