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Tips for install more app for mac os. If you wanna install an app for your macbook pro or mac mini desktop even macbook air from unknown developer, you have to get access for your macbook first. Apple makes it difficult to install unknown sources for security issue. The following Instructions shows you how to get access in your “System Preferences” > “Security & Private”.

Open app download from Anywhere

input this in Terminal
1: Command+space input “Terminal” or “terminal” in Spotlight search
2: input the following code in terminal
sudo spctl --master-disable

Reset to Default Security in macOS Sierra

sudo spctl --master-enable

Show/Hide Hidden Files the Long Way
The long way to show hidden Mac OS X files is as follows:
Show:
defaults write com.apple.finder AppleShowAllFiles YES
Hide:
defaults write com.apple.finder AppleShowAllFiles NO

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