To those people who takes some tuts, put them in a zip, take it to the office where they work, unzip it and use the work printer (always better than the home printer), I just want to remember that:
-you must erase "Recent Documents" names.
-the tutorials file names should be renamed to something related to work.
-when you unzip something, in temp folder there could be found traces that should be erased

I remember those basic rules because i realized that some unknown work mate have been printing +Orc files using a pc shared by lots of people at work . I still don't know who can be...