You can upgrade to macOS High Sierra from OS X Mountain Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 14.3GB 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
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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 High Sierra, the installer will let you know.
Create a new admin user account on your Mac and see if you can successfully download and install Origin in that account. Reinstall your operating system. This may seem extreme but you may have corrupted or missing files and permissions which could be causing this error. Download the latest version of Origin for Mac and install it. Getting requests to enter your Mac user credentials? Are you having problems getting Origin Helper to run? Does it keep asking you for your Mac credentials? Download our diagnostic tool to run an AppleScript that will debug Origin Helper on your Mac.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. https://Dell-Lcd-Monitor-Drivers-574.peatix.com/. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
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 High 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 High Sierra, use this App Store link: Get macOS High Sierra.
Begin installation
After downloading, the installer opens automatically.
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.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.Download mingw w64 for mac.
Allow installation to complete
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 High Sierra, you might be able to install an earlier macOS, such as Sierra or El Capitan.
macOS High 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.
Normally, macOS limits application permissions and restricts its access to important system resources and user data to protect a user’s Mac from malware and potentially dangerous functionality.
However, applications like CleanMyMac need some system privileges to get their job done. In particular, it requires admin permissions to perform the following tasks:
Moving and removing items with special permissions;
Managing and removing Launch Agents;
Performing some Maintenance tasks, like Repair Disk Permissions, Reindex Spotlight, and Flush DNS;
Cleaning ASL Logs and System Caches;
Uninstalling applications from Mac App Store.
Epub reader download free mac. That’s why, when you try to run some of these CleanMyMac tasks for the first time, you see this dialog:
Aplikasi sistem informasi akademik gratis. Best free office for mac. CleanMyMac 3 asks you to provide your admin password - the same one that you use to log into your macOS account. This allows CleanMyMac to download and install its Helper Tool. Basically, the Helper is an agent that receives permissions from the system to perform the above listed CleanMyMac’s tasks successfully.
Dividing an application into a main unit and a helper is a standard technique provided by macOS to make communication between the system and applications more secure. In particular, the application becomes less vulnerable to hacking attempts because its privileges are distributed between two separate units that make little use without each other. In other words, after you install the helper, the application itself doen't get additional privileges and cannot access your Mac without verification from the helper. Meanwhile, the helper has these extra privileges only and cannot use them separately from the main app.
Therefore, installing CleanMyMac’s Helper and providing it with your admin password fully meets Apple’s safety best practices.
During installation of the Helper Tool the following files are created in your system:
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If you are still in doubt, note that you can uninstall the Helper and take back its privileges at any moment. Just go to CleanMyMac’s Action menu and choose Deauthenticate.
However, if you uninstall the Helper or cancel its installation, some CleanMyMac 3 functionality may be not available and a cleanup session may fail. Also, next time you try to run some task that requires special privileges, you’ll see the Helper Tool installation dialog.