Steps for Installing and Upgrading Lightroom 4 on Windows and Mac

Steps for Installing and Upgrading Lightroom 4 on Windows and Mac



Do one of the following :

Insert the DVD in your drive, and follow the on-screen instructions. If the installer
does not launch automatically, double-click DVD Volume: Lightroom 4Install
Lightroom 4 (Windows) or Adobe Photoshop Lightroom 4.pkg (Mac OS) at the root
level of your disk to start the installation process.

If you downloaded the software from the web, open the folder and double-click Adobe Photoshop Lightroom (Windows or Mac OS), and then follow the on-screen
instructions.


64-bit Installation Notes :

Mac: Lightroom 4 is only available as a 64-bit application for Mac.

Windows: The Lightroom installer contains both a 32-bit and 64-bit version of the
application. By default, the 64-bit version will be installed only on Windows Vista and
Windows 7 64-bit operating systems.


Upgrade Notes :

To update your Lightroom 1, Lightroom 2 or Lightroom 3 catalog simply launch Lightroom 4 and you will be able to select and upgrade your previous Lightroom catalog. 

The Lightroom 4 catalog upgrade process does not erase or remove your previous
Lightroom catalogs. If you wish to try the Lightroom 4 30-day trial by upgrading your
existing catalog, you may always return to earlier versions of Lightroom and continue using your previous catalog.

NOTE: Any changes or work completed in your catalog once it has been upgraded
to work with Lightroom 4 will not be available in previous versions of Lightroom.

The upgrade process will modify the image preview information of an
upgraded catalog.(This information is stored in the .lrdata file that is located
adjacent to a catalog file in the file system) Returning to a previous version of
Lightroom will require that the previews be re-rendered. This can be a lengthy
process for those with hundreds of thousands of images.

Upgrading a Library from Photoshop Elements 6, Photoshop Elements 7, Photoshop
Elements 8, Photoshop Elements 9, or Photoshop Elements 10 for Windows requires that Photoshop Elements be installed on the computer at the time of upgrade.

Upgrading a Library from Photoshop Elements 9 or Photoshop Elements 10 for Mac
requires that Photoshop Elements be installed on the computer at the time of upgrade. Lightroom 4 Beta catalogs may be upgraded using the same methods available for Lightroom 1, Lightroom 2 or Lightroom 3 catalogs.

If you attempt to upgrade the same Lightroom catalog more than once, Lightroom will inform you of the location of the previously upgraded catalog. 


 

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