Restore default Piwik theme

i’ve accidentally installed “Darkness” theme, now i would like to restore default piwik theme but i can’t.
Can someone help me ?

Thank you,
J

Really no one can help me ? I feel so frustrated :frowning:

Thank you
J

i’m desperate …

Go to Admin > Plugins > click on “Themes” > Activate “Morpheus”

Thank you very much!
Now all is ok!