What platform are you using? If you are using the Windows platform the easiest way to upgrade is to use Activestate's distribution. It is easy to install, and the package manager is simple and easy to understand. They even have a web based visual version. See www.activestate.com
If you are on a NIX flavor, I am a little less knowledgable, but you probably already have perl and can just use CPAN. I personally use Gentoo Linux, and it is simple to just emerge dev-lang/perl and voila you have the latest version of perl. Hope this helps you.
Ketema

In reply to Re: Perl ugrade by ketema
in thread Perl ugrade by Rina

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