How to set Perl Global Enviorment Variable (Windows)

How it is possible to call "perl" from anywhere in CMD.exe, since by default it will only call from Sys开发者_运维技巧tem32 or the install directory of perl

E.g. so I can open a cmd window at "C:\test" and I will be able to call perl

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Set the PATH env variable to include the path to your perl exe?