Using unlicensed Adobe software violates their Terms of Service and intellectual property laws. Safe and Modern Alternatives

If your budget is tight, you do not need to risk infecting your computer to get a powerful video editor. Several industry-standard programs are completely free and vastly superior to Premiere Pro CS5.5:

DaVinci Resolve is a Hollywood-grade video editor used for professional color grading, editing, visual effects, and audio post-production.

Adobe Premiere Pro CS5.5 is an end-of-life software product first released in 2011. Adobe officially reached the "end of life" for all Creative Suite (CS) products in 2019, meaning they are no longer supported or officially distributed. Regarding your request for a "free patched" download: