File size is typically ~20–30 MB for basic driver, or ~200 MB for full software suite (including IJ Scan Utility).
: The site usually detects your operating system automatically; ensure "Windows 11" is selected in the dropdown menu. Canon F166 400 Printer Driver Download Windows 11
Canon rarely updates legacy drivers, but to check: File size is typically ~20–30 MB for basic
If you encounter any issues during the download or installation process, here are some troubleshooting tips: here are some troubleshooting tips: