Microsoft has been readying its latest update to Office for Mac, and recently released its first preview. Hardware Requirements ¶ CPU: Intel Processor. The last OpenOffice version supporting Mac OS X 10.4 (Tiger), 10.5 (Leopard), 10.6 (Snow Leopard) is OpenOffice 4.0.1. Microsoft Word For Mac Os X Lion Free Download.Microsoft Word For Mac Os X 10.7.5 Free Download.Moreover, it is considered as improved performance. It is indeed superior integration coded into the OS X, and potentially designed with the rework of Entourage X. But, Office v.x is way better than any other port of Office to OS X. This usually provides an immense amount of productivity programs Mac users who are still waiting for the same. A few of the applications are rewritten for Mac OS X and Microsoft Office v.X is desperately awaiting the upgrade to Office 2001.