Although the portable version is not officially supported, its system requirements would be similar to the official ManyCam 7.8 for Windows:
The "Portable" designation means the software has been modified to run without a traditional installation process. Key Benefits of Portability ManyCam v7.8.0.43 Multilingual Portable -FTUApps-
However, the method of delivery from presents a severe security risk. The convenience of a portable "crack" is not worth the potential infection of your system with malware, credential stealers, or ransomware. The cybersecurity community has issued clear warnings regarding FTUApps domains, and it is advisable to avoid any software originating from them. Although the portable version is not officially supported,
: This update includes critical bug fixes and optimizations for smoother frame rates during high-resolution streaming. ManyCam v7.8.0.43 Multilingual Portable -FTUApps-