Afloat OS X 10.11 (El Capitan) : Keep Windows on Top


  • Download SIMBL, at least version 0.9.9.
  • Open command prompt aka Terminal Window
  • Run following commands on terminal to install SIMBL-0.9.9 at /System/Library/ScriptingAdditions/

    sudo installer verbose pkg Downloads/SIMBL0.9.9/SIMBL0.9.9.pkg target /
    sudo rm rf /System/Library/ScriptingAdditions/SIMBL.osax
    sudo mv /Library/ScriptingAdditions/SIMBL.osax /System/Library/ScriptingAdditions/
    sudo cp p /System/Library/ScriptingAdditions/SIMBL.osax/Contents/Resources/SIMBL\ /System/Library/LaunchAgents/
    sudo sed e “s/Library/System\/Library/” i “” /System/Library/LaunchAgents/net.culater.SIMBL.Agent.plist
  • Head over to and download “”.
  • Unzip the downloaded file to get “Afloat.bundle” file.
  • Move Afloat.bundle file to /Library/Application Support/SIMBL/Plugins
  • Restart OS X


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