Be cautious of sites offering "Portable.rar" files, as these are often unofficial repacks and may contain unwanted bundled software or malware. Stick to the to guarantee clean files without advertisements or third-party plugins. PDF-XChange Editor Plus

: Add sticky notes, text boxes, stamps, and geometric shapes.

: Offers a specialized version in the PortableApps format, which is ideal if you use their platform to manage your portable software.

Edit Documents ... You can use Ctrl+drag to copy base content with PDF-XChange Editor. ... Use the Selection options to copy, cut, PDF-XChange Downloads for PDF-XChange Editor

: Runs directly from a cloud drive or USB stick without local installation.

: This is the safest source. They provide a specific "Editor Portable Version" (available in 32-bit and 64-bit) as a zipped installer.