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Firefox - reduce number of processes opened on starting up a sessions in Windows 11

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Just starting up Firefox on my Windows 11 desktop initiates 9 firefox processes - see attached. Is there anyway to reduce the number of processes and the memory they seem to occupy by possibly going into the Windows registry and making changes to any Firefox configuration settings? If I dont get a satisfactory solution I will have to uninstall Firefox and use the default MS Edge which is not my preferred browser choice.

Just starting up Firefox on my Windows 11 desktop initiates 9 firefox processes - see attached. Is there anyway to reduce the number of processes and the memory they seem to occupy by possibly going into the Windows registry and making changes to any Firefox configuration settings? If I dont get a satisfactory solution I will have to uninstall Firefox and use the default MS Edge which is not my preferred browser choice.
Attached screenshots

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