Adobe has released Adobe Acrobat XI and Adobe Reader XI for Windows and Mac OS and brings several new features and improvements. Adobe Acrobat X1 brings the same user interface for desktop systems from version 10 along with a completely redesigned PDF editing experience, the ability to export PDF files to Microsoft PowerPoint, touch friendly capabilities for mobile devices and integrated cloud services.
You can download the updated versions expect for the Acrobat base release directly through the Adobe website, Adobe software updates or by using the following links:
Adobe Acrobat XI is currently available for Microsoft Windows (XP/7/8) and Apple OS X (10.6/10.7/10.8)
While this version of Adobe products bring support for Windows XP but do not support Windows Vista despite the latter being 6 years more recently than Windows XP.