Can i upgrade 10.5.8 to mountain lion

Click on Install to continue. You should restart your computer for finishing installation and checking new updates. This release is supported with security updates, and the previous releases—macOS When Apple releases macOS There is no time limit like on iOS 12, but it is a process and takes some time so do your research before you upgrade. However, these days, not only have all of the launch issues been patched out, but Apple continues to provide security updates, even in the face of macOS Mojave.

Most apps and services will work on macOS Sierra for at least another year. While some are already updated for macOS High Sierra, others are still not quite ready. OS X El Capitan. Unsupported as of August Version, Space, and Memory Requirements for Sierra. Didn't need to wipe the drive either. Just did this on my old desktop running Didnt have to wipe my disc at all. Thanks also to Brendon above for the tip about TextEdit. The fix is still good! Subscribe Now. So I tried this method.

What am I doing wrong? Thats it. A couple notes from my experience In order to edit SystemVersion. If not, is there any later version I can upgrade to? If I can upgrade to Mountain Lion, do I need to install an earlier version first? And if so, how do I do this? As pointed out by Kent, an iMac with a 2. Technical Specs for iMac Late Therefore, you can only run Lion.

One of your options is to buy from Amazon or another online retailer. Or, get Snow Leopard. An easy way to tell if you are running a K64 kernel is to use the uname command-line program. If the output showed "i" instead, that would mean a bit kernel. You can look at this. The cut-off for Mountain Lion compatibility is mid iMacs.

It looks like yours is before that 2. As I mentioned above, the Mountain Lion installer will let you install onto a bare drive as long as the installer itself is run under Snow Leopard, Lion, or Mountain Lion. This means that as long as you have a good backup; a 5GB-or-larger thumb drive or external drive; and either an already-downloaded copy of the installer or access to a Mac running Snow Leopard, Lion, or Mountain Lion, you can perform a bit of installer razzle-dazzle. For this purpose, I recommend a clone.

Be sure to test this backup to verify that it has your latest data: In the case of a Time Machine backup, try restoring some important data from the backup; in the case of a clone backup, boot from the clone to make sure it boots and that it contains all your data.