Foxit PDF Editor provides below two types of display when opening PDFs.
1. Open files in multiple windows
2. Open files in single window
How to do
Here are three ways to set the display as an actual requirement.
1. Function setting
Open Editor > File > Preferences > Documents > uncheck/check "Allow multiple instances" or "Always open file in a new window” as below pictures.
Note: The option “Open in multiple instances” has been updated to “Always open files in a new window" since version 13.0 and Version 2023.2.
2. Registry Editor
Navigate to \HKEY_CURRENT_USER\SOFTWARE\Foxit Software\Foxit PDF Editor xx.0\Preferences \Documents\bMultiInstance
or
HKEY_CURRENT_USER\SOFTWARE\Foxit Software\Foxit PDF Editor\Continuous\Preferences\Documents
Note: Value 0 : disable multiple windows ;
Value 1 : enable multiple windows.
3. GPO template
For perpetual licensed version versions 13, subscription licensed version 2023.2, and greater versions, please navigate to Preferences > Multiple Windows
For versions lower than version 13 and Version 2023.2,please navigate to Preferences > Multiple Instances