Scan a QR Code on Windows Using a Third-Party QR Code Scanner Using CodeTwo QR App. Detect and decode QR codes from an image or webcam. Compatible with: Windows 10 and 11.

This article explains how to capture a document scan from a printer to your Windows PC or Mac. These instructions will work on Windows 10, as well as macOS 11 (Big Sur).

If you can't change default app by file type in Windows 11/10, ... But, before that, you should perform a full antivirus scan on your PC, and also update Windows if updates are available.