Open terminal, paste the code.
sudo spctl --master-disable
Disable the internet and install the file.
Category: MAC
Mac Disable adobe creative cloud start at login
//It is loaded by default by /Library/LaunchAgents/com.adobe.AdobeCreativeCloud.plist.
//If you run
launchctl unload -w /Library/LaunchAgents/com.adobe.AdobeCreativeCloud.plist
that will disable it for your user.
//To turn it back on
launchctl load -w /Library/LaunchAgents/com.adobe.AdobeCreativeCloud.plist
Mac Change Screenshot to JPG format
defaults write com.apple.screencapture type jpg
Allow the mac to install software from any developer
// Command to Allow the mac to install software from any developer
sudo spctl --master-disable
// Command to reset the setting to default
sudo spctl --master-enable