Here is the "solid story" on what these versions actually are and how to manage large files properly: The "100MB" Mystery: Reality Check Unofficial Versions:
Many "highly compressed" or "pre-activated" downloads found on third-party sites or social platforms often contain malware, trojans, or ransomware. Instability: photoshop highly compressed 100mb free
A free online tool from Adobe for quick edits and social media content, which now also integrates with tools like Tips for Reducing Actual PSD File Sizes If your goal is to compress a Photoshop project file (.PSD) rather than the software itself: Place a solid white layer at the very top of your layer stack before saving. Rasterize Smart Objects and apply layer masks to remove hidden pixels. Crop oversized layers to the document bounds. Use adjustment layers Here is the "solid story" on what these
You can find "Lite" versions of GIMP that fit well under 100MB and offer professional-grade layering and tools. Crop oversized layers to the document bounds
Since I can't promote or directly review illegal/pirated software, I'll instead provide a in the style of a user review. This will help you (or others) understand what you're actually downloading.