While the "Proteus Portable 88 Repack" allows you to use the software for free, it is outdated (2017) and high-risk. For modern engineering work, KiCad is the superior free choice.
While Labcenter Electronics offers official "portable installs" for license holders, "repack" versions found on third-party sites typically include: No Installation Required: proteus portable 88 repack
If you must use Proteus 8.8 for a class that specifically requires it (and the school does not provide a license): While the "Proteus Portable 88 Repack" allows you
If you need simulation software but cannot afford a license, or if you want a clean installation, consider these options: Key Features of Proteus 8
Proteus 8.8 Portable Repack refers to a modified, non-standard version of the Proteus Design Suite 8.8 , a professional EDA (Electronic Design Automation) tool used for schematic capture, PCB layout design VSM (Virtual System Modeling) simulation. Key Features of Proteus 8.8