Google Chrome
The browser Google Chrome can be started in incognito mode using the following application path:
"c:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --incognito
Mozilla Firefox
The browser Mozilla Firefox can be started in private mode using the following application path:
"c:\Program Files\Mozilla Firefox\firefox.exe" -private
Microsoft Edge
The browser Microsoft Edge can be started in private mode using the following application path:
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --inprivate
* Verify if the application path are the same in your system!