Scroll down to find the language and regional library you require (e.g., US English, UK English, Metric, or Imperial).
Here are some tips and tricks to keep in mind when downloading and using the Revit Family Library 2018: download revit family library 2018
This content is often available as a separate download pack specifically for Revit 2018.1 Scroll down to find the language and regional
Check the boxes for the specific content libraries you want to install and click 3. Accessing Additional 2018.1 Content download revit family library 2018
: After installation, if Revit still doesn't see the files, go to File > Options > File Locations to manually point the library path to the correct folder.