While not portable, you can still install Picture Manager as a standalone app for free through official Microsoft installers. It is often bundled with SharePoint Designer 2007 How to Install Only Picture Manager:
: Downloading cracked or "portable" versions from third-party sites is often a form of copyright theft and may lead to fines. The Best (and Free) Official Way to Get It download microsoft office picture manager 2007 portable
A portable application is designed to run directly from a USB stick or a folder without being "installed." It writes no registry keys, leaves no trace in the Windows AppData folder, and supposedly works without administrative rights. While not portable, you can still install Picture
The risk-to-reward ratio is terrible. You expose your machine to keyloggers and ransomware for a piece of software that is nearly two decades old. The "portable" feature is rarely genuine, and most claim to be portable but still leave junk in %TEMP% . The risk-to-reward ratio is terrible