1. At the top of the Firefox window, click the Firefox button and select Set Up Sync. The Firefox Sync Setup window will open. 2. Click Create a New Account. 3. Fill in your account details: Email address Choose a password and enter it a second time to make sure you have it right. Agree to the Terms of Service and Privacy Policy. Confirm that you're not a robot! To change what information gets synced, click Sync Options. The default is to sync your add-ons, bookmarks, passwords, preferences, history and tabs. Finally, click Next. 4. You will see a Setup Complete! message. Click Close to close the progress window and take you back to Firefox. Don't worry, your data will continue to be encrypted and uploaded in the background....

This is all correct at the time of setting up but my issue is to change the syncing direction after setup. Could someone address that?

At 1st open the Sync options window then Click Manage Account and then select Reset Sync. A window displaying the Sync options will open then Select the action you want to take: Recommended: Merge this computer's data with my Sync data Replace all data on this computer with my Sync data Replace all other devices with this computer's data

then Click Next. A

confirmation sheet appears,To re-sync your device and Sync data according to your selected setting, click Next...... .