Hello Wamugers,
This has possibly been answered before, if so please repeat again.
Without taking proper care I seem to have semi- installed Mojave on my iMac
which is limited to operate on High Sierra.
I have OS 10.13.6 on a back up start up disk, so I have been able to use that
to get my iMac running.
How may I reinstall OS 10.13.6 on the internal HD, which is now known as OSX
Base System and devoid of any installed software?
I have a separate HD which is the Time Machine.
It’s a 2009 dual core iMac with 8Gb Ram
Many thanks in advance
Marcus Harris 75
Apple iPhone7
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