By 2011-07-20 20:09:37 UTC Update:This guide was written for OS X Lion in 2011, for a current guide to doing a, please view this updated post. Is from the and we know that many of you are preparing or have already started downloading and installing the new cat.

There are plenty of possibilities to install Windows 10 for PC, no matter from where you are upgrading- Windows 7 or Windows 8, installing the new version from scratching the Office retail card or reinstalling a fresh version of Windows 10. Free Windows 10 upgrade license can be possible. Free inventory software for mac.

Because installation takes place entirely from within the Mac App Store, the usual 'clean install' option isn't present. If you've followed our guide for, you're probably in good shape to proceed with an upgrade. If, however, you long for the ability to do a clean install without having to first install Snow Leopard and THEN install Lion, Mashable has you covered. If you want to create a bootable USB stick or burn a DVD of OS X Lion, read along. Lion Clean Install •.