Mountain Lion To High Sierra Update. If you have hardware or software that isn t compatible with high sierra you might be able to install an earlier macos such as sierra or el capitan. Macos high sierra won t install on top of a later version of macos but you can erase your disk first or install on another disk.
If you don t have broadband access you can upgrade your mac at any apple store. Macos high sierra won t install on top of a later version of macos but you can erase your disk first or install on another disk. If you used the skip app verification option you have most likely selected an invalid app that doesn t contain the necessary files.
I couldn t download hi.
It should be around 5gb in size. I cannot open my copy of install macos high sierra with the patch tool. However when i did get lucky that one time and got a full lion re install i come to find out that i can t update to high sierra or any other os unless i first get mountain lion. First i tell you how not to do it.