Is there any manual or website that I recommend to start learning English?
Honestly, with my mother tongue (Spanish) I have forgotten and sometimes left without understanding, some concepts that are now used in English. For this reason I look for something from the most basic to the most advanced.
Some have recommended me to start without worrying about grammar and the truth is that something, very basic, I understand, but not like to read on the run; and I need to get to that point because I have important manuals to study.
I read your fact-based advice.