How to open or unzip downloaded file "gnucobol-3.2_win.7z"

[Akhtar Rawasia]

I've sent email to help@discussion.gnucobol.p.re.sourceforge.net, as

below:
Hello I've downloaded the file "gnucobol-3.2_win", but my system
(Windows) not opening
the file "Windows can't open this kind of file .7z"

[Ralph Linkletter]

You will need the 7zip application,
It is similar to the windows zip and unzip.
It is available here:
https://www.7-zip.org/download.html

[Michael Sommer]

or rename .7z to .exe then is is selfextracting