|Do a System Restore to before you installed it then run Malwarebytes and remove it. |
THEN hit yourself in the head with a fry pan for spying on your family and/or friends.
If it is YOUR computer then password protect it so no one uses it.
If it is someone else's computer, stay off it!!!
If it is a community or family computer respect everyone's privacy and suggest everyone has their own account with password.
Keyloggers are nasty stuff and you had no business using one at home, work, or on another's property. No excuses, No reason is acceptable.
You have to be a little bit crazy to keep you from going insane.