: Go to the Dassault Systèmes Support portal and select "Access your Download" .
: Extract the zip folder and run setup.exe found within the documentation media. catia v5 help documentation download
: If pressing F1 doesn't work after installation, go to Tools > Options > General > Help and use the Browse button to point to your installed documentation folder. Alternative: Online and PDF Resources : Go to the Dassault Systèmes Support portal
Once downloaded, the documentation must be "installed" so CATIA knows where to find it: catia v5 help documentation download