what is recon-ng.
recon-ng is a framework used to information gather. But this is speacial tool in recon-ng on database,workspace,modules. In this tool profile information, poc collect, mass scan etc.
How to install
In kali linux recon-ng automatically install. but if you install download on github. open firefox and write recon-ng.

click on this link or simply click this https://github.com/lanmaster53/recon-ng and check requirements and download this.
1)In kali update & upgrade kali.

simply this tool is installed first, git clone and paste link recon-ng on github.secoundly ls and check this tool, and finally open this link through command cd recon-ng. and again write ./cd recon-web and ./recon web –port 6758. and open link database.
1)

Secound method is easy simply click on kali terminal recon-ng and they show sipmly this type. and write on [default] > help this show help menu of recon-ng. Simply, this type.
2)

and simply i change on workspaces to bill. through this commands.
3)

and if you clear this terminal you not clear. because this clear through 2) screenshot shell commands.
Conclusion
Recon-ng is a powerful tool that can be further explored by viewing the list of modules. The help within the console is clear, and with a bit of playing around it won’t take long to become an expert.