Compiled (binary) Perl and its libraries for Windows systems and Linux can be downloaded and installed from within this site. Perl source files, many tested binaries for a variety of OS's, and all library modules can also be downloaded and installed from within this site or one of many its mirrors worldwide.

NEPM requires standard Perl 5.6.1 or higher. If your host system is running an earlier version of perl that cannot be upgraded simply install NEPM's perl in a different location and run NEPM with it. Two perl installations can co-exist on one system without interference.