The version you will download from the Mac App Store will be an older version than the latest update.Because multiple updates to High Sierra have been issued by Apple since it launched in September 2017, you should expect to have to update the operating system again once you have installed it, but this should happen automatically.The first thing you will want to do is find out exactly which version of the Mac operating system to install and make sure that there is no reason not to install it.
It's not just Apple developers who get to try out the new software - if you would like to be a public beta tester your can find out more about that scheme here: How to get the latest Mac OS beta.
If you'd like to find out a bit more about mac OS High Sierra before downloading it, read our comparison ofmac OS Sierra vs High Sierra to find out how it compares to the previous version. Following WWDC in June Apple issued a beta of High Sierra - we expect that the same will happen with mac OS 10.14.
We'll also guide you past the potential headaches and any problems you may encounter.
The next version of the Mac operating system is due to land any day now.
So we ask you to proceed with caution, and discourage you from installing Cydia the manual way unless absolutely necessary.
You should also backup your device, if you haven’t already, should anything go wrong.
Here's how to install mac OS High Sierra on your Mac: As we said above, we recommend that you don't jump right in and install the new software straight away though.
Regardless of how stringent Apple's test process is, there are inevitably issues with the initial downloads.
You can find out more about the system requirements for mac OS here.
Apple says that you need at least 2GB RAM to run Mac OS High Sierra, but this is unlikely to be a problem as all the supported Macs have at least 4GB RAM, and these days most Macs have 8GB as standard, some even have 16GB.
You can find out how to get beta versions of Apple's operating system here.