I sign-up for the 60 day ESRI ArcGIS free trial and cannot log into ArcMap or ArcCatalog, something that it says is accessible during the 60 day free trial period.
did you register the product via the internet or did you just install it? ArcGIS Desktop Installation support would be a good spot to look around and share your post to
Have you completed authorization process?
Go through this,
Authorizing your software—Help | ArcGIS for Desktop
If I remember well, after you sign up for an evaluation copy of ArcGIS you receive an email with a link for activate your arcgis online account.
After that, you will receive another email with an activation code ( the format is like: EVA123456789).
In the same email you will find all the steps for:
1. downloading ArcGIS (there is a link, use your new credentials for accesing it) and
2. authorizing your evaluation copy.
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