> berrybrew install 5.22.1_64
> berrybrew switch 5.22.1_64

... open new cmd window...

> cpanm Module::One Module::Two Module::Ten

##</code><code>##

> berrybrew remove 5.22.1_64
> berrybrew install 5.22.1_64
> berrybrew switch 5.22.1_64
... open new cmd

##</code><code>##

> berrybrew off
... new cmd window will now use system perl again
> cpanm ...