I was wondering if anyone how can erase files, like music and documents completely from my computer? Not just using the delete feature because that does not remove the file completely.
Thanks.

Vmop, your question is slightly unclear.
A simple highlight/delete will send it to the recycle bin, from there just empty it.

If you are looking for secure file removal there are a lot of programs that will do just this, quite a few are free and run to government standards of data deletion.

Dogg, add/remove is for uninstalling programs NOT deleting data.