If you’re upgrading an existing Windows system, you’ll have to upgrade from the 64-bit edition of Windows 7 or 8.1. If you’re installing Windows 10 from scratch, you’ll need the 64-bit edition of Windows 10. You’ll then be eligible for the free upgrade.
Windows 7 Service Pack 1 or Windows 8.1, if you’re upgrading: If you have the original version of Windows 7 or Windows 8 installed, you can upgrade to Windows 7 Service Pack 1 or Windows 8.1 for free from within Windows.A supported Mac: In general, you’ll need a Mac made in mid 2012 or later to run Windows 10 Apple provides a list of officially supported Mac.Before you get started, here’s what you’ll need:
