ActiveState ActivePerl Windows (64-bit)

From ActiveState:

ActivePerl from ActiveState is the industry-standard, commercial-grade Perl distribution, available for Windows, Linux and Mac OS X (Solaris, AIX and HP-UX available in Business or Enterprise Edition). Developers worldwide rely on ActivePerls's completeness and ease-of-use, while corporate users protect their infrastructure and stay competitive with quality-assured ActivePerl business solutions. ActivePerl is compatible with the reference distribution of Perl. Code tested with ActivePerl will run on any Perl installation that has the appropriate extensions installed. ActiveState also provides business solutions for dynamic languages, including enterprise distributions and OEM licensing, that offer guaranteed stability, expert support, unparalleled quality, and cost-efficiency to organizations.