Hi apolonis

Its customary to mark your updates, see How do I change/delete my post?

You already said  cpan -i Tk failed. This

Failed during this command:
SREZIC/Tk-804.030.tar.gz        : make NO
[download]

while more characters, doesn't qualify as details.

You can obtain details by

Turn on debug/logging, increase verbosity... cpan> o debug all http://perldoc.perl.org/CPAN.html#Debugging

Run

perl Makefile.PL
make
make test
make install
[download]

yourself cpan> look Tk

copy/paste the first error messages, and show us