: A dedicated Scan Wizard allowed users to manage resolution and file formats directly from their PC. OCR (Optical Character Recognition)
The keyword reveals a common user pain point: Samsung sold its printer division to HP in 2017. Official support for legacy models like the SCX-4521F has slowed down.
You will not find a native Windows 11 SmartThru 4 installer. You will not find a 64-bit optimized version. You will not find a version with modern cloud integration (e.g., Scan to OneDrive).
You can also try visiting Samsung's official website to see if they have the software available for download.
