If you already have
Revit 2011/2012/2013/2014 Architectural/Mechanical
(add-ins will not work with Revit LT) you can follow the steps
Free KCL Toolbar Add-In for Revit
Uploaded - October 23rd, 2013
Instructions for KCL Web
Open your Revit project
and then click the "Add-Ins" Menu
"KCL Web" button
Click Login or Sign up (from the upper right corner) to
create a free 14 day trial login*
the "R" button on the 2d, 3d or rfa view you wish
to load into Revit
If you want to add KCL
Web to your Quick Access Toolbar
that will make
KCL one click access!
trial includes 240 minutes per day of full usage (login is not required for Free access from manufacturer web sites)
Also check out Custom
Blocks toolbar in KCL Web, over 100 programs to
create custom 3D symbols.
KCL requires the latest services packs for Revit 2011 & Revit 2012 for full functionality of AutoCAD converted and native Revit families.
Revit 2011 service pack 2
Revit 2012 service pack 2