Click About This Mac.Download macOS High Sierra Using Dosdude Patcher. Click the Apple icon in the top left corner of your screen. Find out which version of macOS is installed on your device. High Sierra version 10.13 was released in 2017. Macs are a series of computers desktops and laptops manufactured by Apple, and they run with the OS X operating system.
![]() High Sierra Air Download MacOS HighThe installation process alone will take about two hours to complete (ideally). Instead, I think it’s best that you set a time to do this on a weekend. You never how long it’s going to take. Check the partition for large files, deleting or transferring them elsewhere (especially photos and videos which tend to take much more space than other types of files). The latest macOS requires at least 14.3GB free disk space.How to fix: Free up storage as much as you can. Here are two screenshots I took:Issue 2: Not Enough Disk Space to InstallPossible cause: The startup disk on the Mac that High Sierra will be installed on lacks storage space. During macOS High Sierra Installation Issue 1: Downloading Process is SlowPossible cause: Your Internet connection is weak.How to fix: Restart your Internet router, or move your Mac machine to a better location with a stronger signal.For me, it only took a few minutes for the download to complete before the installation window popped up. I canceled it, thinking my Internet had been disconnected, and re-tried. It says “About a minute remaining” (could be “several minutes left” in your case).Possible cause: Your Mac is running macOS Sierra 10.12.5 or an older version.How to fix: Take a few minutes to update your Mac to 10.12.6 first, then re-install 10.13 High Sierra.I was really annoyed by this “About a minute remaining” issue — though it said only a minute left, a few hours later the situation was the same. The quickest way is to use CleanMyMac to deep-clean your hard drive and Gemini to find and remove duplicates or similar files.For me, I didn’t encounter this error because my installation “Macintosh HD” has 261.21 GB available of 479.89 GB — 54% free!Issue 3: Freezes or Stuck at A Minute RemainingMore details: The installation stops while the progress bar shows it’s almost finished. It’s good practice to uninstall them as well. I then proceeded to install High Sierra. In about ten minutes, Sierra 10.12.6 was installed. I clicked the “UPDATE” button. I had to switch to my PC for work stuff during those two days, which wasn’t a problem for me, fortunately. I found that once I quit a few commonly used apps like Google Chrome and Mail, the fan immediately stopped running loud. Also, read this Mac overheating article I wrote earlier for other fixes.While I installed High Sierra, my mid-2012 MacBook Pro did run hot a little bit, but not to a point that it needed attention. Close those applications or processes (highlight them and click “X” button) that are over-consuming your CPU and memory. You can access Activity Monitor by going to Applications > Utilities, or do a quick Spotlight search. There you’ll see all the items that open automatically when you log in. Initially, my Mac took at least thirty seconds to start up, but after the SSD upgrade, it only took ten seconds or so.How to fix: First, click the Apple logo on the top-left and select System Preferences > Users & Groups > Login Items. In case you wondered the speed difference, I replaced my MacBook hard drive with a new SSD and the performance difference was like night and day. The Mac is equipped with an HDD (hard disk drive) rather than an SSD (solid state drive). The startup disk on your Mac has limited available storage space. Your Mac has too many login items (apps or services that automatically open up when a Mac boots up). Under “Cursor size”, make sure it points to “Normal”.Issue 7: App Crashes or Can’t Be Opened upon StartPossible cause: The app is outdated or incompatible with High Sierra.How to fix: Check the app developer’s official site or Mac App Store to see if there’s a newer version. Go to System Preferences > Accessibility > Display. Issue 6: Mac Cursor FreezesPossible cause: You enlarged the cursor size.How to fix: Adjust the cursor to normal size. Seriously, Macs with SSDs are much faster than those with HDDs. You’ll see a colorful bar like this showing you the usage of your hard drive (or flash storage).Clicking on the “Manage” button gives you a detailed overview of what types of files are taking up the most storage — which is often a direct hint as to where you should get started cleaning up your Mac.For me, I didn’t notice much speed lag after updating to High Sierra, probably because my Mac had an SSD already (its default Hitachi HDD died last year) and it only takes ten seconds or so to fully boot up. You’ve installed too many extensions or plugins. The version of your web browser is outdated. Issue 8: Safari, Chrome, or Firefox Slow This article has more information on that. Please quit and restart the application”, you may need to repair the Photos library. ![]() Declutter your Mac desktop. In general, the fewer extensions enabled, the smoother your browsing experience would be.How to Improve Mac Performance with High Sierra Uninstall or disable those you don’t need. How do you solve that? Start by manually creating folders and moving files into them. Additionally, it’s bad for organization. A cluttered desktop can seriously slow down a Mac. Make sure you’ve backed up your Mac before doing this. This Apple guide, as well as this one, has detailed step-by-step instructions.
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