How to disable System Integrity Protection (SIP)
System Integrity Protection (SIP)
Since 10.11 Apple has increased security with System Integrity Protection (SIP), so some software with high access to the error system cannot be installed. Especially on macOS Catalina, turning off gatekeeper is not enough. You need to disable SIP to be able to run apps outside of the App Store.
Disable System Integrity Protection (SIP)
Restart your computer in Recovery mode:
Reboot mac device, hold Command + R to enter recovery mode during boot.
Launch Terminal from the Utilities menu , Run command
csrutil disable
Restart your mac
If you want to enable SIP feature then run the following command
csrutil enable
OR
csrutil clear