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Can I retain the 32-bit as well as 64-bit versions of Firefox on my PC ?

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Ramesh Iyer
Ramesh Iyer
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I have updated my regular 32-bit version of Firefox web browser to Ver.43 today, and as it mentioned support for a 64-bit version as well, I downloaded and installed it (in a separate folder). I noticed in my list of Programs installed on my PC that both 32 & 64 bit versions are listed (Control Panel->Programs and Features) in my Windows 10 Home 64-bit Edition PC. Also, I noticed that there is only one instance of Mozilla Maintenance Service listed. So, can I retain the 32-bit as well as the 64-bit versions on my PC ? Also, which version will get updated to newer versions in future, as the Mozilla Maintenance Service may be monitoring only one of these versions (I assume). As I have only 4Gb RAM on my PC, don't think I will benefit much by using the 64-bit version, as I also noticed that with just a single tab open in the 64-bit and 32-bit versions, the 64-bit version seems to use more memory - with the same (GMail) site open. Also, am able to use only one version at a time, as the executable (though in different folders) remains of the same name. Is there a way I can run two separate instances of Firefox of 32-bit and 64-bit ?

I have updated my regular 32-bit version of Firefox web browser to Ver.43 today, and as it mentioned support for a 64-bit version as well, I downloaded and installed it (in a separate folder). I noticed in my list of Programs installed on my PC that both 32 & 64 bit versions are listed (Control Panel->Programs and Features) in my Windows 10 Home 64-bit Edition PC. Also, I noticed that there is only one instance of Mozilla Maintenance Service listed. So, can I retain the 32-bit as well as the 64-bit versions on my PC ? Also, which version will get updated to newer versions in future, as the Mozilla Maintenance Service may be monitoring only one of these versions (I assume). As I have only 4Gb RAM on my PC, don't think I will benefit much by using the 64-bit version, as I also noticed that with just a single tab open in the 64-bit and 32-bit versions, the 64-bit version seems to use more memory - with the same (GMail) site open. Also, am able to use only one version at a time, as the executable (though in different folders) remains of the same name. Is there a way I can run two separate instances of Firefox of 32-bit and 64-bit ?