Wondering if it’s possible to do a clean install of Snow Leopard on your Mac? Turns out you can. In this tutorial I’ll show you the steps to do just that.

But before we plop the DVD into our Mac, we have to do some preparatory work. Make sure you’ve checked to see that all of your critical applications that you use are compatible with Snow Leopard. You can find a compatibility list here.

Next you will need an external hard drive that you’ve successfully connected to your Mac. It should have enough space to do a complete backup.

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