The Unarchiver is the only app you need to open RAR on Mac. It’s times more powerful than the native macOS utility and supports infinitely more archive formats.
iTunes 12.8.3
This update resolves an issue that may prevent iTunes from playing media to third-party AirPlay speakers. It also includes minor app and performance improvements.
10.11 and 10.12 users download iTunes 12.8.2 here. 10.10.5 users download iTunes 12.8.1 here
System Requirements
Hardware:
• Mac computer with an Intel processor
• To play 720p HD video, an iTunes LP, or iTunes Extras, a 2.0GHz Intel Core 2 Duo or faster processor is required
• To play 1080p HD video, a 2.4GHz Intel Core 2 Duo or faster processor and 2GB of RAM is required
• Screen resolution of 1024x768 or greater; 1280x800 or greater is required to play an iTunes LP or iTunes Extras
• Internet connection to use Apple Music, the iTunes Store, and iTunes Extras
• Apple combo drive or SuperDrive to create audio, MP3, or back-up CDs; some non-Apple CD-RW recorders may also work. Songs from the Apple Music catalog cannot be burned to a CD
Software:
• macOS version 10.11.4 or later
• 400MB of available disk space
• Apple Music, iTunes Store, and iTunes Match availability may vary by country
• Apple Music trial requires sign up
uninstall flash
Mac OS X, version 10.6 and later: uninstall_flash_player_osx.dmg
Mac OS X, version 10.4 and 10.5: uninstall_flash_player_osx.dmg
Delete the following directories:
<home directory>/Library/Preferences/Macromedia/Flash\ Player
<home directory>/Library/Caches/Adobe/Flash\ Player
