perl.exe -e "use JSON; JSON->VERSION(2.5);"
Can't locate JSON/XS.pm in @INC (you may need to install the JSON::XS module) (@INC contains: c:/Software/Perl5.18/site/lib c:/Software/Perl5.18/lib .) at
(eval 4) line 2.
BEGIN failed--compilation aborted at (eval 4) line 2.
 at -e line 1.
Compilation failed in require at -e line 1.
BEGIN failed--compilation aborted at -e line 1.