No 32 bit application or driver is compatible with Big Sur or the prior OS, Catalina. Apple's T1 and T2 chips only affect the security and should not be confused for the M series chip. Sadly support for Microsoft Windows is left to third party virtualization companies with Apple's new chips. This allows running of certain Intel only compatible applications on Apple's M1 and later CPUs. A new environment released for Apple's new chip replacing the Intel CPU. The other thing to keep in mind with Big Sur is Rosetta 2. A different listing with similar info can be found here: is an excellent source for compatibility, however, make sure reports are post dated the Novemrelease date. A lot is dependent on if the system was not overly filled to begin with. Other authors don't recommend running Big Sur on a Mac with only 128 GB of SSD space built-in. This may be arbitrary, but has been consistent. Based on author's testing, you do not want less than 15% free of your partition to avoid swap files from reducing space rapidly on any Mac OS X. and 8 GB of RAM based on the author's testing. Big Sur will run without issue on a 2015 MacBook Pro with 18.5 GB free on a 40 GB partition. Software installs may result in incompatible software or drivers, and a wipe or separate partition install of the computer will be needed to restore the prior operating system if you aren't ready.ġ0.12 or later users must have 35 GB free to install before installing Big Sur on an existing system. You must Backup your data before installing to at least two distinct places. To further identify your computer, see this tip. 1024 GB = 1 TBĪdded bracketed information to supplement info from Apple's page above. If you are using such a Mac, you will want some form of external storage for primary use, and at least a secondary if not a tertiary drive for backing up. Note: the Macs with only 128 GB of storage will barely have enough room to install just the operating system and a few applications and photos and music. If you can’t install macOS Big Sur on certain 13-inch MacBook Pro computers from 20 - Apple Support Some of the older models may need special directions to apply the upgrade: MacBook Air (2013 or later) MacBook (2015 or later) MacBook Pro (Late 2013 or later) Mac mini (2014 or later) iMac (2014 or later) iMac Pro (2017 or later) Mac Pro (2013 or later) Upgrade to macOS Ventura - Official Apple Support says these are the requirements. This is only for Macs older than September 25, 2017. Regardless of which direction you go, backup your data first. This means if you need to downgrade the machine, you will need to erase the partition with the older HFS extended GUID to use the older systems. It is the last release of Big Sur, on September 11, 2023.ġ1.2.2 (an older update no longer available) addresses issues with third party USB hubs and Big Sur.Īpple has a link of prior installers, including Big Sur on: How to download and install macOS - Apple Supportīe forewarned, Macs with solid state drives will be updated in formatting to APFS with 10.13 or later (this is discussed later in the tip, but bears repeating). It addresses various additional security issues as documented here. It is either the App Store for the Upgrade, or the Software Update for the Update. The website does not have any version of Big Sur available for download directly. Download based on manual time may fail, especially on older systems where the system time is not set right.ġ1.7.10 is available on software update only (current downloads from the App Store take you to 11.6 immediately). Go to Apple menu -> System Preferences -> Date and Time and select the closest time server to set your time, and do so. If you have already been trying optimizers, read what I have to say about removing them:Īmended comments to MacKeeper tip - Apple Community Upgrades are there for feature enhancements and new features. Your first step is to make sure your system is running optimally before upgrading. Frequently an optimizer will slow you down, and it won't stop from slowing you down by upgrading your system. With the release of Sonoma, on September 26, 2023, Safari no longer is updated on Big Sur, and other browsers may offer better security for Big Sur.īackup your data before installing anything.īefore upgrading, don't do so, in order to optimize your speed. September 21, 2023, Apple released Safari 16.6.1, after releasing Big Sur 11.7.10 on Septemvia Apple menu -> System Preferences -> Software Update. This tip is from a series of tips of upgrading Mac OS X 10.7 Lion, 10.8 Mountain Lion, 10.9 Mavericks, 10.10 Yosemite, 10.11 El Capitan, 10.12 Sierra, 10.13 High Sierra, 10.14 Mojave, 10.15 Catalina, 11 Big Sur, 12.0 Monterey, and 13.0 Ventura, and 14.0 Sonoma client release.
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