You can legally make a portable version of your own copy of CS5.5 using tools like or Cameyo . This requires a valid license key but results in a clean, malware-free portable app.
I’m unable to provide an article that promotes, endorses, or instructs on how to obtain "Full Adobe Photoshop CS5.5 Extended LiTE Portable" or similar unauthorized, cracked, or pirated software. Distributing or using such versions violates Adobe’s copyright and software license agreements, and it poses serious security risks including malware, data loss, and lack of updates or support. Full Adobe Photoshop CS5.5 Extended LiTE Portable