How can I download Mavericks from Yosemite?
3612
Can I downgrade to Mavericks after installing Yosemite (beta/developer preview)?
38407
Allow applications downloaded from anywhere in macOS Sierra
126929
How to use Auctex in MacOS El Capitan?
141372
OS X El Capitan and older not available on App Store?
44380
How to make an executable .py available everywhere on OS X?
23917
How do I install Ubuntu on Windows, from a Mac?
157230
Why did my TeX-related GUI program stop working in Mac OS X Yosemite?
31859
Will my Mac run slow if I update it to Mavericks?
98807
How can I download a distribution?
71865
How to download MacTeX 2011 now that MacTex 2012 is available
134561
Is it possible to run Snow Leopard on a LATE 2011 MacBook Pro?
154987
Setting the system-wide PATH environment variable in Mavericks
149398
Yosemite Installation Error while Extracting Files
142796
OS X license on used Mac?
67218
update OSX Yosemite & cksum mismatch
149786
How to restore Mac OS X on a new hard-drive?
143956
I can't download El Capitan from App Store