With this kind of upgrade, all user data, settings and accounts remain as before, and that works for most users most times. Download High Sierra Beta.Apple has designed OS X/macOS so that one can just upgrade to the next version, "over the top," seamlessly. Now while installing macOS Sierra or El Capitan on VMware or VirtualBox then we don’t need to install that on separate disk because while editing the VM we choose the virtual disk type SATA, and this is the one and only way for now to install macOS Sierra or El Capitan on VMware or VirtualBox.Installation Steps From 10.11 or 10.12 systems, format an external hard drive with at least 500gb with Mac Os Extended Journaled. Perform a Clean Installation of macOS Sierra.5.There are some users who suspect that a Clean Install is a good way to approach a complete new version of OS X or macOS. Personalize and select a preferred location for the virtual machine and click Next. Yes, you’re right, select Apple Mac OS X and OS version then hit Next. This article, after a brief introduction, will list the steps needed for that Clean Install.On this page, select I will install the operating system later and click Next.
![]() Sierra For A Clean Install That OnThen you're ready for the next step.Step #2. This will make sure your Time Machine backup doesn't get scrambled. System Preferences > iCloud.Use Disk Utility to make sure your boot drive permissions are all repaired and that the disk directory is verified as good. Identify which items are backed up to iCloud. I use BBEdit.2.2 If you try to take a short cut and just copy back in your Library folder, to make licensing easier, you'll be defeating the idea of a Clean Install. That way, you can always mount that external drive, access and copy over individual files.2.1 You may want to have a log of all your application licenses in a copyable format so that when you restore your apps, you'll have this information handy and can paste it in. This is a preferred tool by many for making an exact copy of your boot drive to an external Hard Disk Drive (HDD) or Solid State Drive (SSD). You'll be back where you were before you started.File by file with Carbon Copy Cloner. ( Menu Bar > Time Machine > Backup Now.) Later, if you have a curent Time Machine backup and something goes very wrong, you can boot from the recovery partition (CMD-R) and do a complete erase (Disk Utility) and then restore from your Time Machine archive. Do one last Time Machine backup. And download the El Capitan installer. Go to the Apple Menu > App Store. Dont forget those!Next page: Steps #3 to #7: Download, Install and Restore.Step #3. Others will require an installer that places supporting files on your Mac in various places, for example, your personal Library folder.Catalog these apps so that you'll know which ones came from the Mac App Store and can be readily recovered and those which require you to download a new installer from the developer's website.2.5 Note that Carbon Copy Cloner takes care of accounts on your Mac other than your own. Barring sufficient information there, you'll have to visit the developer's website.2.4 Some simple apps can be copied back to the Applications folder in El Capitan and run just fine. A great resource for that is RoaringApps.com. Boot from the recovery partition and use Disk Utility to repartition the Mac's main boot drive. It's about 6 gigabytes.Step #4. Immediately quit (CMD-Q) out of the upgrade process and move this file from Applications to somehere else, say, a Flash drive. Rebuilding Your Apps & Data. Alternatively, Apple has a note on an alternative process to create a bootable Flash drive. Install OS X El Capitan on the internal drive and reboot the Mac.Step #6. Follow these steps in a great Macworld article by Dan Frakes: " How to make a bootable OS X 10.11 El Capitan installer drive." Note, you'll need an app called DiskMaker to complete that procedure. Ahead of time, prepare a bootable USB Flash drive with El Capitan on it. That makes an Intel Mac drive bootable.Step #5. You can elect to restore user accounts and settings from Time Machine. This is a simpler option, but violates the spirit of a pure Clean Install. Here's where it gets tricky, and you have two options.Step #6a. Android emulator path for macHere's where that list you made comes in handy.Step #6b. For the apps, you'll probably have a mix of Mac App Store apps and apps directly from the developer. By the way, Menu Bar items will be in you own account, but also be aware of System wide device drivers, for example, mouse or trackpad drivers. Dmg crsIf that's not possible, wait for quite awhile to be sure everything is all good, then redo your file backups on the drive you first used.When you attach your Time Machine drive, it should ask if you want to use this disk and if you want it to pick up from the old Time Machine data (Recommendation: say Yes). If you run into a problem, Murphy's Laws dictate that it'll be right after you overwrite your backups. If you can afford it, make a fresh set of backups to brand new external drives. If you elected to have an iCloud keychain, it will sync up as well.Step #7. Also note that you'll be rebuilding your keychain and password keeper, like 1Password, if you use it.No matter which option you chose, 6a or 6b, when you sign into iCloud, things like your mail (after you rebuild or log in to your account), calendar, contacts, reminders, Safari bookmarks, etc, will sync up if you had previously selected those items in iCloud sync. This will be time consuming, error prone and require experience. For the vast majority of users, a simple "over the top" upgrade will be preferable, easier, faster and less error prone. Solid backups will ensure that if something goes wrong or you need to back out of the procedure, you can revert to where you were with Time Machine—in addition to having Finder accessible copies of every file on your Mac.A clean Install is a lot of work, but it may be the only recourse in some difficult cases. Careful, wise decisions will result in a clean install of El Capitan that has all your personal data and settings restored.
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