It's not a special window -- it's an effect which you apply to a layer. Go Effect > Color to see the full panoply of effects that are concerned with color.
Hi, Thanks for your reply. I know about different colour correction effects. What I am looking for is this:
This way I will have more control on what I do and don't have to trust my faulty eyes on the fixes.
Do you know how I can access these Lumetri Scopes?
In the tutorial I am referring to, the tutor goes to this panel:
Which in my case, I don't have the color option in my workspace settings.
Here is a link to the tutorial:
Well, it tells you what it is right on that pane -- Lumetri Scopes. Go look for it. Apply it.
What, exact, version number of AE are you using?
Scopes came in a recent update to CC 2017. Check your After Effects>About After Effects menu option to see the full, exact, version number.