New answers tagged wizard
If I understand your question correctly (user needs to upload a file, with two sets of settings available in the process), I think one screen with accordion for each set of settings should suffice, unless any of the sets is complex or contains more than 2 controls. As for the more generic question when to use wizards, as put by the timeless classic of ...
In my opinion, in order to develop a wizard style solution your categories have to be clear and consistent. For example : Select product / Personal Details / Pay (3 Straightforward and clear steps) If you think that you can divide your input values in steps, without user get confused, go for it!
As an alternative someone has already created a branching wizard here.
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