Don't feel bad for asking a perfectly concerned question. But other members here maybe feel bad that you didn't look hard enough for the answer.
But serious, sorry for the hostility to you the members have displayed, while i cannot apologize fo them personally, i do feel bad people cannot either ignore the thread they so much dislike in favor of posting unncessary comments to a new comer. But according to various websites. For example.
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Additionally, please do not watch video tutorials unless from trusted sources, usually the text tutorials are more well informed on F.A.Q and other updated content more easily and better souced than videos, which require a new video to be uploaded and the time it takes to create + upload video + make it advertized, is far simpler for someone to edit few lines of text to a document.