GPG ver. 2.2.11, libgcrypt 1.8.4
In the GPG program (gpg.exe -help), the --homedir option is not described.
I think it's important.
Especially to create the minimum version of GPG referred to on the website
However, this description is old, because from 2005.
Regards
Janek
Most options are not explained with --help. Right before the examples you see
(See the man page for a complete listing of all commands and options)
Please use the man page which is also installed as text file on Windows. To see basic informationfor your installation use
gpg --version