Install macOS Big Sur 11 quickly and easily with our installation USB stick, iMac compatible, iMac Pro, MacBook Air, MacBook Pro, Mac mini, Mac Pro. Created directly by Simpletek, this USB allows you to reinstall or update your operating system. Main features: Operating system: macOS Big Sur 11 Language: Italian (external languages available on quote) Support: USB installation wrench Installation support: Included Compatibility: iMac, iMac Pro, MacBook Air, MacBook Pro, Mac mini, Mac Pro * Technical specifications (minim): Compatible Mac Models: consult the Apple site to verify compatibility of your RAM model: 4 GB Space on hard drive: 35.5 GB of available space (or up to 44.5 GB for upgrade from previous versions) USB port: USB 2.0 port or higher Important note on startup: This package only includes support for operating system installation. MacOS Big Sur 11 license is included in your Mac. The product is created directly by us. For Languages is easily changed from system For any doubt or information about booting from USB, please feel free to contact us. * MacBook 2015 or newer MacBook Air 2013 or newer MacBook Pro end 2013 or newer Mac Mini 2014 or newer iMac 2014 or newer Mac Pro 2013 or newer iMac Pro