You can set Cisdem PDFMaster as the default PDF application in Windows.
Method 1:
1. Right-click any PDF file and choose Properties.
2. Click Change next to Opens with.
3. Select Cisdem PDFMaster.
4. Click OK.
Method 2:
1. Go to Settings > Apps > Default Apps, find the PDF file type, and select Cisdem PDFMaster as the default application.
2. If you need detailed instructions for a specific PDF feature, please see the Cisdem PDFMaster for Windows User Guide.