Adobe has never officially created, released, or authorized a portable version of Lightroom. Any download labeled "Lightroom Portable" found on torrent sites, forums, or third-party blogs is an illegal, cracked version created by anonymous developers using virtualization tools (like VMware ThinApp or Spoon Studio). Why Official 32-Bit Lightroom is a Thing of the Past
Earlier versions of Lightroom were designed to work on both 32-bit and 64-bit systems. For example, the installer for Lightroom 2 contained both a 32-bit and 64-bit version of the application; on a 32-bit Windows XP or Vista system, the 32-bit version would be installed by default. Similarly, Lightroom 3 could run as a 32-bit application on Mac OS X by checking the "Open in 32 Bit Mode" option. This dual-architecture support was standard practice in the late 2000s and early 2010s.
Because you are using Lightroom 5 (circa 2013), you lose: lightroom portable 32 bits
: They will not receive security updates or new camera RAW support. Alternatives for Older Systems
For example, Lightroom 5.0 repacks in both 32-bit and 64-bit versions were circulated online, with claims of being "fully portable" and requiring no installation or registration. Adobe has never officially created, released, or authorized
If you are looking to run this on a very old machine, I can help you: Identify which version is . Suggest fast workflows for older processors. Recommend free 32-bit plugins that work with Lightroom 5.
A portable version of an outdated 32-bit Lightroom (such as Lightroom 4 or 5) cannot connect to Adobe servers for updates. This means you miss out on: For example, the installer for Lightroom 2 contained
Open the folder and look for an .exe file, often named Lightroom.exe or LightroomPortable.exe .
Early versions of Lightroom were designed to run on both 32-bit and 64-bit systems. For instance, Lightroom 2 and Lightroom 3 installers contained both 32-bit and 64-bit versions of the application. Lightroom 4 and Lightroom 5 also maintained support for Windows XP, Windows Vista, and Windows 7 in both 32-bit and 64-bit varieties. These versions were the last to officially support 32-bit operating systems at the application level.