If you have mutual friends, you might ask them to show you the profile or specific posts.
Tools advertised as "portable" software or downloadable "profile viewers" are highly likely to contain malware, spyware, or keyloggers. Account Theft: facebook private profile viewer by istaunch portable
Facebook Private Profile Viewer by iStaunch: Does It Actually Work? If you have mutual friends, you might ask
Entering credentials into these tools often leads to account theft. If you have mutual friends
The "Facebook Private Profile Viewer by iStaunch Portable" is a digital illusion. It exploits the "hacker fantasy" to trick users into completing surveys or downloading potentially unwanted programs (PUPs). Technically, it is impossible to bypass server-side privacy settings via a client-side portable executable.