If you have already downloaded the files but they aren't appearing in Revit: Revit LT 2017 Missing Content Libraries - Forums, Autodesk
For , the Content Library is a critical collection of families, templates, and standards specific to regions and languages. If your installation is missing these files, they can be retrieved through the official Autodesk Account portal or via direct support links. Top Official Download Methods Autodesk Account Portal (Recommended) Sign in at manage.autodesk.com with your Autodesk ID. revit 2017 content library download top
Outdated and risky — only use if absolutely necessary If you have already downloaded the files but