pg_variables on Windows

[const1995]

Hello, everyone!
I need to install pg_variables extension. My configuration is:

1. OS Windows 10
2. Server PostgrePro 16.8 (64-bit)
3. GnuWin32: Make-3.81

I executed the installation instruction:

D:\PostgreSql\pg_variables>make USE_PGXS=1

And received error:

makefile:19: d:/PostgreSql/16/lib/pgxs/src/makefiles/pgxs.mk: No such file or directory

As far as I know, infrastructure PGXS not available on Windows.
Am I possible to install pg_variables extension on my configuration?