Maybe you've treated yourself to a brand new MacBook Air, or maybe you want to factory reset your iMac—either to sell it on or wipe all the digital detritus off the system. Whatever the reason you're ...

Attention, new iMac owners: The M4 iMac sits upside down inside the box it comes in. This can be an unwelcome surprise if you open the box the wrong way — your new computer could tumble onto the floor ...