Point # 15 - To check for 32 bit Applications - a good application to use is Go64 - safe to use. These include Applications, Extensions and Drivers for any devices. Point # 14 - If upgrading from Mojave and earlier versions of macOS - Remember that Monterey does not support anything 32 bit. The latest version of the program can be downloaded for Mac OS X 10.6 or later. We recommend checking the downloaded files with any free antivirus. We cannot confirm if there is a free download of this app available. Same goes for Third Party Drivers for Printer, Scanners etc. ShiftIt 1.6.6 for Mac was available to download from the developer's website when we last checked. Check with the Developer for compatible Apps / extensions. Point # 13 - Are the installed Applications / Extensions compatible with Monterey. At least one Tested Clone and / or Time Machine Backup should be Off - Site This is insurance incase the upgrades goes sideways. Point # 12 - For addition purposes - two Tested Bootable Clones each to separate external drives. A Time Machine Backup is very useful and can be used to Revert to Previous Working macOS. This comprises having 3 Backups using 2 methods and 1 Off Site incase of Theft, Loss or Natural Disasters. Point # 11 - Do you have a Rescue Plan In-Place. They will often times attempt to Modify, Alter, Remove or Delete elements of the Operating System requiring a Re-Installation. Point # 10 - Disk Cleaners, Optimizers and UnInstaller are not needed. There are no known Windows-like Viruses in the wild that self replicate and affect macOS because of the underling UNIX Foundation and Permission Limitation. The Built in Security is all that is required. They are unneeded, cause havoc and interfere with the normal operation of the OS i ncluding the download and installation of Monterey. Point # 9 - AntiVirus Software should be removed as per Developers Instructions. Point # 8 - If downloading Monterey from behind a VPN it may increase Packet Looses and an incomplete or corrupted Installer. Otherwise - ones Privacy and Security touted by the VPN is suspect. Point # 7 - Commercial VPNs should only be used if Mandated by Corporate Head Office for working remotely. Want the maximum bandwidth for the computer being upgraded to Monterey Point # 6 - If using Wifi - move computer as close to the Access Point / Router and disconnect all other devices connected to Wifi. Point # 5 - The upgrade will require a quick, stable and reliable Internet Connection - preferred method is via Ethernet Connection. Download The macOS High Sierra 10.13.2 update improves the stability, compatibility and security of your Mac, and is recommended for all users. Point # 4 - Empty Space afterwards - it is suggested to keep at least 15% of the Drive Total Capacity as Empty Space for good operations of the computer and for additional updates to Monterey to download, expand and install. If upgrading from an earlier release, your Mac needs up to 44GB of available storage. Point # 3 - Empty Space Requirements > If upgrading from macOS Sierra or later, your Mac needs 26GB of available storage to upgrade. Point # 2- > How to upgrade to macOS Monterey The homebrew installation of node has also automatically installed npm just exactly the same: which npm /usr/local/bin/npm. Reports indicate the EFI BOOT ROM is Required to Flash the Computer and is a requirement for a Successful Monterey Installation. The EFI Boot ROM included in Monterey is verifying for Original Apple Drive and if not found, may Balk or fail to upgrade to Monterey. Point # 1A - There are reports appearing on the ASC Forums regarding failed installation of Monterey on older Qualifying Apple Computers. In most cases this is related to having a NON Apple Original internal drive ? Point # 1 - Does the > Computer Qualify for the Monterey upgrade I've tried creating a bootable installer following this advice ( ) and that has failed as well.The below points should be consider before attempting the upgrade. I tried to rest the disc to APFS but APFS isn't even offered as a choice. Try running this application again." Running things "again" also fails. The reinstall takes 6 minutes and then fails displaying "An error occurred while preparing the installation. A restart, after what appears to be a Recovery window and a "Network Installation" process, brings me to the menu of four items which includes Disc Utility and "Reinstall MacOS" which appears to be High Sierra. I "Erased" the drive and reset it to MacOS Extended (Journaled). But in what is probably a misguided attempt to downgrade the system to HighSierra (to make it compatible with Steam for my 14 year old), i've been unable to reinstall the OS. It was running Ventura and doing just fine. (He replaced the internal drive with a Samsung SSD 870EVO 500GB there's also a small Fusion Drive - not sure if the drive sitch is relevant). I'm trying to reinstall MacOS on a 2017 iMac that a friend just gave me.
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