Check compatibility

Click “yes” on the warning about erasing data, then click on the select file button and select the macOS high sierra dmg file that you have downloaded earlier and click OK. Now it’s time to sit back and relax as the process will take time to complete. After the progress bar is finished, your bootable USB of macOS high sierra is ready. Name: macOS 10.13 High Sierra. Type: Mac OS X. Version: macOS 10.13 or 10.12. Memory size: 3GB to 6GB ( 65% of your RAM) Virtual disk file: macOS high Sierra 10.13.vmdk. Select Use an existing virtual hard disk file and Open macOS high Sierra 10.13.vmdk File.

You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.

MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later

To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Sierra, the installer will let you know. Tuxera for mac os high sierra.

Make a backup

Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.

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Get connected

It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.

Download macOS Sierra

For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.

If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.

Install the macOS installer

Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.

Oct 20, 2016  A specific bug that causes Razer keyboards to stop functioning when Razer Synapse is installed on macOS 10.12 Sierra System crashes when updating to the latest Synapse version for macOS 10.12 Sierra A bug where the Ripple and Reactive Chroma lighting effects did not work for macOS 10.12 Sierra. https://expertsgol.netlify.app/razer-synapse-for-mac-os-sierra.html.

Follow the onscreen instructions, which will guide you through the steps necessary to install.

Begin installation

Winbox For Mac High Sierra Mac

After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra.

Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.

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Allow installation to complete

Winbox For Mac High Sierra Installer

Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.

Learn more

• If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
• macOS Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
• You can use macOS Recovery to reinstall macOS.