1. Show hidden files
defaults write com.apple.finder AppleShowAllFiles Yes && killall Finder
2. Install dmg . Drag the slide bar at the bottom of the mirror to the right to see the hidden icon of parallels desktop, right click to copy to /Applications
Execute the following command, it doesn’t matter if you report an error
chflags nohidden "/Applications/Parallels Desktop.app"
xattr -cr "/Applications/Parallels Desktop.app"
codesign --sign - --force --deep "/Applications/Parallels Desktop.app"
3. Double-click parallels desktop to install in /Applications
4. Unhide files
defaults write com.apple.finder AppleShowAllFiles No && killall Finder