Remember: In the world of portable software, free is never truly free. Protect your data, respect copyright, and choose tools that empower you without compromising your security.
Adobe now offers via the Creative Cloud desktop app. While not truly portable, if you install it on a laptop you carry, it achieves the same goal. Furthermore, Adobe Acrobat Web allows you to edit PDFs in any browser (Chrome, Edge, Firefox) on any computer by logging into your Adobe account. This is the modern, secure, cloud-powered version of "portability." adobe acrobat 10 download portable