If you like Firefox browser and want to use it on any computer, with your bookmarks and logins (username and password), there is an easy solution.
Download Firefox Portable from PortableApps.com or other site (make sure it's a safe one) and install it on a USB stick or key.
Once the installation is done, open it, open a site and bookmark it (to force the browser to create a profile).
Go to your current Firefox profiles - usually it's on this path:
C:\Users\YOUR-COMPUTER-USER\AppData\Roaming\Mozilla\Firefox\
Look for a file named profiles.ini and open it with a simple text editor like Notepad. Search for this string: StartWithLastProfile= and put zero at the end (StartWithLastProfile=0) then save the file.
After
This will force Firefox to show you the profiles in use - like in the picture below.
Identify the profile you want to use everywhere and Copy & Paste everything in it (all files, keeping the folder tree) to the profile on your USB stick/key. When restarting Firefox from your local path on your computer tick Use the selected profile without asking at startup.
Now you can use your portable Firefox from your USB stick/key on any computer and your bookmarks and logins will be at hand.
