Can I run two ver­sions of OS X on the same Mac?

Mac Format - - APPLE TALK -

My present iMac is one of the first 20" In­tel mod­els run­ning OS X 10.6.8. I feel that soon it will need re­plac­ing. I have a num­ber of apps re­quir­ing the in­stal­la­tion of Rosetta, and also iDVD, which I am led to un­der­stand will not run on Yosemite. There­fore would it be pos­si­ble to par­ti­tion the drive and in­stall OS X 10.6.8 in par­al­lel with Yosemite, al­low­ing me the use of my apps in­clud­ing iDVD? An­thony J Brookes You can dual-boot dif­fer­ent ver­sions of OS X, but you may have prob­lems per­suad­ing the stan­dard driv­ers that shipped with Snow Leopard, to work with the hard­ware in a mod­ern Mac. There are ways around this - mix­ing and match­ing some of the newer driv­ers with the older OS ker­nel, for ex­am­ple. But they all fall in the cat­e­gory of things you do for the sake of the chal­lenge.

I wouldn’t do any of this. I’m strug­gling to be­lieve that there are Pow­erPC apps so es­sen­tial that it’s worth the has­sle. When iDVD was dropped, I moaned about it along with ev­ery­one else. But no one burns DVDs any more. Video is easy to stream and USB mem­ory sticks hold more data.

If you are de­ter­mined to keep us­ing DVDs, you can use an ex­ter­nal drive and third-party soft­ware, like Roxio Toast. But I sug­gest you keep the old iMac, while you get used to Yosemite and a DVD-less world. I think you’ll be sur­prised by how quickly you wean your­self off burn­ing discs.

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