The Canon imageCLASS D520 was released originally for Windows 7/8. While Canon has not released a new driver for Windows 11, the existing Windows 10 64-bit driver works perfectly on Windows 11 due to kernel similarity.
To future-proof your setup:
This is the gold standard. Canon maintains a comprehensive archive for legacy devices like the imageCLASS D520. canon imageclass d520 printer driver for windows 10 64-bit
Current Filename Example: D520_W64_230_00.exe (Version numbers may vary). The Canon imageCLASS D520 was released originally for
Canon sometimes hides legacy drivers behind a menu. If the main site fails, use the direct FTP-style links (search for "Canon D520 driver download" and look for downloads.canon.com in the URL). This is the gold standard
Canon includes a status monitor widget. Ensure it runs at startup to receive low-toner alerts and paper jam notifications directly on your Windows 10 taskbar.