Here's what you are looking for.

#!perl
use warnings;
use strict;
use Data::Dumper;

my $Registry;

use Win32::TieRegistry ( 
  Delimiter=>"/", 
  ArrayValues=>1, 
  TiedRef => \$Registry,
 );

my @install_names;
foreach my $software ( values %{$Registry->{'HKEY_LOCAL_MACHINE/Softwa
+re/Microsoft/Windows/CurrentVersion/Uninstall/'}} ) {
  next unless my $software = $software->{DisplayName};
  next unless $software->[0];
  push @install_names, $software->[0];
}

print "$_\n" for sort {lc $a cmp lc $b} @install_names;
[download]

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