To change the default PDF reader in Windows 10/11, go to Settings Apps Default Apps choose default apps by file type, then select your preferred PDF reader for .PDF files.
- For Windows 10/11, click on the Windows Start Menu on the bottom left corner, then click “Settings”.
- Next click “Apps” and “Default Apps”.
- Click “choose default apps by file type”. This may take a moment to populate. Scroll down to .PDF. Across from .PDF, you will have a list of programs.
- Choose a PDF reader of your choice.