Here are posts removed from PortableAppZ (notified to Blogger to infringe upon the copyrights of others).

Thursday, June 19, 2014

Professional photographer's essential toolbox without installation.
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Lightroom 5 requires Windows 7 or later.
Download Portable Lightroom 32 bit (59.6 MB)
Download Portable Lightroom 64 bit (62.2 MB)

3.6 is latest Lightroom running on Windows XP.
Download Portable Lightroom 3.6 32 bit (24 MB)
Download Portable Lightroom 3.6 64 bit (25 MB)
Download Portable Lightroom 3.6 32-64 bit Online (0.4 MB)
Lightroom_3_LS11_win_3_6.exe will be used by Online Installer if found in its folder.
If you check Camera and Lens Profiles (3.6 Online), remove after install all useless (devices you don't have) subfolders in Data\AdobeAll\CameraRaw. Otherwise a lot of files will be moved between Data and APPDATA every time you start and close.

Extract and run LightroomPortable.
Select or create a catalog on startup.
Settings of installed Lightroom should be preserved.
Don't run at the same time of another Adobe product.