How to upgrade the current OS X El Capitan (10.11.6)to “ high Sierra” As the current os ( X El Capitan) is very old not supporting few features. Anandarao n
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Sometimes it's hard to search for older versions of macOS &amp; OS X  on the App Store.  This is an attempt to provide the canonical QA for this issue, as per the Meta QA -  I expect it to be modified over time to hopefully become a complete information resource.  How can I get any older version of a Mac OS to be able to run as a VM, or to reinstall on my Mac?
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I installed the developer preview of OS X Mavericks, &amp; too many things broke. I can't stay on it &amp; need to roll back to Mountain Lion. Any ways of doing that? Please help!  I originally installed Mountain Lion &amp; Mavericks through the Mac App Store.
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Now here is the thing. I upgraded my Mac to the OS X EI Capitan a few days ago. And now MacTeX is not working. When I try to typeset it, the console shows the following error:   xelatex: command not found.  How can I fix it?
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The box says I can add up to 3 GB (for a total of 4GB), but is this restriction hardware based, or because of the operating system?  If I upgrade to OS X 10.6 or higher, can I increase the RAM to 8 GB like the newer models?
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I updated to High Sierra on my Macbook Pro when it was released. Since I have updated, a lot of my applications show the attached icon when I open them. Does anyone know a fix to this?
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Yesterday I started the upgrade from 12.10 to 13.04, but I interrupted it because it was taking too long. Now if I restart it, it doesn't proceed.  Is there any possibility to clean the mess it left when I interrupted it and make a clean restart of this update?
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Apple now allows you to run OS X inside a Virtual Machine as long as the host is running Apple hardware. Because we need to test our web site on various versions of Safari, we picked up a Mac Mini running Yosemite for testing purposes. The idea is to run Mavericks (currently our largest user base) and possible Mountain Lion in a VM on demand, similar to what .  However, I've yet to be able to find a place to download prior installer apps. I've found other StackExchange posts referring to the App Store, but since this is a new Apple ID there are no previous purchases for old versions, and as far as I can tell they are no longer available to "purchase". Likewise, I have not been able to find any OS X Installer apps on the Apple Developer site.  Am I missing something? Is there an easy-ish way to get these apps to install OS X to a VM?  (For VM host, we are currently using Virtualbox, but would be willing to use VMWare or Parallels if needed)
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I've got a Mac running 10.10.5 Yosemite, trying to upgrade to 10.11 El Capitan. When I run the installer, it claims installation requires 7 Mb of disk space, it installs some files, and ends with "Installation successful".    But the OS is not updated: after a reboot 'About this Mac' still shows it running Yosemite.   The same thing happens on this Mac when running the 10.12 Sierra installer. The goal is to get to Mojave, but that installer won't run at all so I'm trying incremental updates.   In both cases I made sure to download the full (~6 Gb) installer beforehand (from the app store), and I'm running the installer from the mounted disk image.  What could cause this error, and how do I get rid of it?
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I want to know where I can find updated information about all the stable and in-development versions of Ubuntu, where I can find this information?     This question is meant to be a canonical question. It expects to answer the following questions:         Is X version stable yet?   Is X version in beta?   Is X version still supported?   What versions are still supported?   What are the versions in Beta/Alpha?   Until where X version will be supported?   Have X version ceased support?   When will be X version released?   Where I can download any release?   When will the next LTS version of Ubuntu be released?         The list is not exhaustive.
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I am going to upgrade my MacBook Pro hard-drive, but before doing so I'm trying to figure out how to restore OS X on it. My DVD drive doesn't work so I cannot re-install from the DVD.  I have a recent Time Machine backup, is that enough to restore the OS? And in that case, what would be the procedure? Also, in case the Time Machine restoration fails, is there any way to re-install OS X from a USB or external hard-drive? Any suggestion would be much appreciated.
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I'm unable to upgrade Xcode 11GM to 11.1 for some time on my Mid 2014 MacBook Pro running macOS Catalina. I've installed Xcode from Mac AppStore ages ago (IIRC circa 2014), and upgraded step by step since then. Currently, I'm experiencing the following loop:   AppStore reports that I have an update. I open AppStore, open updates, click "Update" on Xcode. Mac Downloads ~2.5GB first. Installs that patch. Continues to get the full package (~7.6GB). It starts to install. After some churning and install, it reports "Cannot download Xcode now, please try again later."   I have more than enough space on the disk, and nothing is modified in Xcode or in the OS (no homebrew or something similar).  Did anyone experience something similar? Are there solutions to this?
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I want to downgrade from Yosemite 10.10 to previous operating system (i think its name was Mavericks).  I am not experienced in Computers so please explain to me in simple, step by step way.   Why i want to go back to Mavericks?   After installing Yosemite: - My Mac is always very hot; - The Fan is working as soon as it starts; - Battery is getting half its normal time. - Most important, the computer hangs a lot and became very slow.  With all this probe, I feel i am not using an apple computer any more..  Thanks to anyone who can assist.
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Update manger do not provide option to upgrade. It displays "Your system is up-to-date" instead. I tried Check button many times but received same message. Please help.
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I'd like to start from scratch with Yosemite. I have Mavericks running on my iMac now but I'd like to just wipe the system and start with a clean Yosemite install.  How do I do a clean install of Yosemite on my machine, not an upgrade install?
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I need Mac OS X 10.6.8 (Snow Leopard) in order to work with some legacy software and I want to buy new Mac Mini computer.  Is it possible to install this OS on a new Mac Mini or it's not compatible with it?  If so, what is the latest model of Mac Mini that I can use in this scenario?
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I upgraded from 18.04 to 19.10 some months ago and now I want to upgrade to 20.04. But update-manager -c doesn't show the new Ubuntu release 20.04.  Isn't the upgrade ready yet? Is it possible to upgrade to 20.04 from 19.10 now?
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I have a MBP 2012 I upgraded from High Sierra to Mojave after it came out as GA. I don't recall if I was asked about upgrading to APFS when Id id that, but at this time the main volume is Mac OS Extended (Journaled).  My current About This Mac...version is Mojave 10.14.1 (18B75). Now, when updates are advertised from the App Store, I'm unable to upgrade because 10.14.3 is required.  No OS updates show in the App Store, and when I searched for the updaters (10.14.2 Combo, etc), I can't install because the installer reports "macOS 10.14.2 Update can't be installed on this disk. This Mac can only install macOS on APFS-formatted drives."  I tried the search results recommending to boot in Recovery Mode and use Disk Utility, but APFS is not available as a type.  I have good backups and I can reformat the boot volume if I need to, but I have not done this before. Should I get a 10.14.3 installer to do this and boot from an external drive? The only guies and message boards I've found just keep saying to install 10.14.3 (I can't) or convert the disk in Recovery Mode (APFS is not available as an option.)  Any known-good ways to get my 10.14.1 upgraded so I can keep getting App Store updates?