I would advise against downloading software from unknown sources (that includes me). So you shouldn’t install Solidus unless you know me or know someone who knows me. But since I doubt you randomly found this site, you likely fit that description.
Solidus only collects information from your computer that is directly applicable to identifying the presence of malware. This is a small subset of information that is available in the Windows Registry and a few key directories most commonly used by malware. This data is NOT shared with any third party and is used solely for finding malware.