FireFox: Profiles of Firefox

Reference:

http://kb.mozillazine.org/Profile_Manager
Firefox 50.1.0 on Windows 8.1 x64

Profile Manager of Firefox

All working data of firefox application such as personal settings, added extensions and themes, and user data. are storeed in a "profile" folder that can be accessed through a "Profile Manager". The original profile can be retained by creating an additional profile.

Create Firefox ShortCut for Working with Firefox Profiles

Create Firefox ShortCut to Open Profile Manager at Startup

Steps to create firefoxr shortcut to open profile manager at startup.

Use "Search" charm at the right edge to search the location of the firefox application file.
Right click "firefox.exe" in the searched item of "Search" charm to activate the context menu.
Click "Open file location" to open the location of "firefox.exe" in the file explorer.
Right click "firefox.exe" in the "File Expleror" to activate the context menu.
Click "Create shortcut" to create a shortcut to "firefox.exe".
Click "Yes" button to create a shortcut icon of "firefox.exe" on "Desktop".
Right click "firefox.exe - Shortcut" icon on "Desktop" to activate the context menu.
Click "Properties" to open "firefox.exe - Shortout Properties" window.
Add " -P" or " -profilemanager" switch to the end of "C:\Program Files\Mozilla Firefox\firefox.exe" in the "Target" field of "firefox.exe - Shortout Properties" window.
Click "Apply" to apply the change, and click "OK" button to confirm the change and close the "firefox.exe - Shortout Properties" window.

Create Firefox ShortCut to Open Firefox with a Specific Profile "PROFILE_NAME"

Steps to create firefox shortcut to open firefox with a specific profile "PROFILE_NAME.

Click "Properties" to open "firefox.exe - Shortout Properties" window.
Add " -P "PROFILE_NAME"" or " -profilemanager "PROFILE_NAME"" switch to the end of "C:\Program Files\Mozilla Firefox\firefox.exe" in the "Target" field of "firefox.exe - Shortout Properties" window.
Click "Apply" to apply the change, and click "OK" button to confirm the change and close the "firefox.exe - Shortout Properties" window.

Create Firefox ShortCut to Allow Running Multiple Firefox Instances of Different Profile Names at the Same Time

Steps to create firefox shortcut to allow running multiple firefox instances of different profile names at the same time.

Click "Properties" to open "firefox.exe - Shortout Properties" window.
Add " -P -no-remote" or " -profilemanager -no-remote" switch to the end of "C:\Program Files\Mozilla Firefox\firefox.exe" in the "Target" field of "firefox.exe - Shortout Properties" window.
Click "Apply" to apply the change, and click "OK" button to confirm the change and close the "firefox.exe - Shortout Properties" window.

Create a New Firefox Profile

Steps to create a new firefox profile.

Close all Firefox instance or window, and run the command or Click the shortcut of "C:\Program Files\Mozilla Firefox\firefox.exe -P" or "C:\Program Files\Mozilla Firefox\firefox.exe -profilemanager" to open the "Firefox - Choose User Profile" window, or the "Profile Manager"
Or run the command or Click the shortcut of "C:\Program Files\Mozilla Firefox\firefox.exe -P -no-remote" or "C:\Program Files\Mozilla Firefox\firefox.exe -profilemanager -no-remote" to open the "Profile Manager"
Click "Create Profile..." to open the "Create Profile Wizard" window.
Click "Next" to open the "Completing the Create Profile Wizard" group box of "Create Profile Wizard" window.
Enter a new profile name, e.g. "r_default" to replace the preset name "Default User".
Click "Choose Folder" to open the "Choose Profile Folder" window.
Browse to select a folder other than the defualt folder.
Click the "Select Folder" to confirm the selection.
Click "Finish" button to confirm the creation of the new firefox profile.
Click "Exit" button to close the "Firefox - Choose User Profile" window.