Update Release 1 is not a full install; rather it is using service pack technology similar to AutoCAD®- based products. Prior to installing the Update Release 1, please verify that you have already installed the First Customer Ship build of Autodesk Revit LT 2014 (Build: 20130308_1515).
You can apply this update to Autodesk Revit LT 2014 running on all supported operating systems and languages. Consult the readme file for installation instructions and be sure to install the correct update (32-bit or 64-bit) for your software and operating system. Consult the enhancements documentation for areas improved by the Update Release.
Note: After Update Release is applied correctly the build number specified on the Help>About dialog will be 20130709_2115.
Readme (select language version):
Enhancements Documentation (select language version):