The upload runs while you record. Pressing stop is the last thing you have to do, and by then the link is already on your clipboard.
Free up to 5 minutes. There's no account.
The store page still says 60 seconds. It's out of date: the free cap has been five minutes since August, in the same version the store is handing you.
Chrome asks which tab, window or screen to share.
Your mic goes in once you've granted it. Tab audio comes from the checkbox in Chrome's own picker.
The link goes on your clipboard when you press stop. A five-minute recording doesn't cost you five more minutes of waiting, because there is nothing left to send.
It's the 720p. Most recordings are done inside five minutes anyway, but a 1920-wide window still gets squeezed to 1280 on its way out, and that's where the text you were pointing at stops being readable. Pro leaves it at 1080p and lets a take run to ten minutes, for $6 a month, and you still don't make an account.
See Pro