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How to install multiple copies of Firefox desktop version(s) on 1 PC (OS: Windows 7 x64)?

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How to install multiple copies of Firefox desktop version(s) on 1 PC (OS: Windows 7 x64)?

How to install multiple copies of Firefox desktop version(s) on 1 PC (OS: Windows 7 x64)?
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Installed Plug-ins

  • Shockwave Flash 32.0 r0

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  • User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0

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d3von 3 solutions 38 answers

just change the directories, like a one package on C and another one is at D like that, it should work , and different locations as well and maybe.... and you need to open app from individual locations!

just change the directories, like a one package on C and another one is at D like that, it should work , and different locations as well and maybe.... and you need to open app from individual locations!
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the-edmeister
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Towards what end do you want to have multiple Firefox "copies" or multiple installations?

Separate Profiles can be used which provides for separate "users", with separate user data files and separate add-ons; as good as separate "installations".

https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data

Towards what end do you want to have multiple Firefox "copies" or multiple installations? Separate Profiles can be used which provides for separate "users", with separate user data files and separate add-ons; as good as separate "installations". https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data
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the-edmeister
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d3von said

just change the directories, like a one package on C and another one is at D like that, it should work , and different locations as well and maybe.... and you need to open app from individual locations!

It's not as easy as you describe. Every Firefox installation will used the same Profile Manager; which can cause unexpected results when trying to use Firefox in that manner. That type of scheme is best suited to a user who wants different version numbers of Firefox installed, and since Firefox 67 the new Profile Manager can handle the multiple different "installs" without the "gymnastics" that were required with Firefox 66 and older versions.

''d3von [[#answer-1262825|said]]'' <blockquote> just change the directories, like a one package on C and another one is at D like that, it should work , and different locations as well and maybe.... and you need to open app from individual locations! </blockquote> It's not as easy as you describe. Every Firefox installation will used the same Profile Manager; which can cause unexpected results when trying to use Firefox in that manner. That type of scheme is best suited to a user who wants different version numbers of Firefox installed, and since Firefox 67 the new Profile Manager can handle the multiple different "installs" without the "gymnastics" that were required with Firefox 66 and older versions.
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the-edmeister said

Towards what end do you want to have multiple Firefox "copies" or multiple installations? Separate Profiles can be used which provides for separate "users", with separate user data files and separate add-ons; as good as separate "installations". https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data


Thanks. I'll try creating another user profile.

The multiple profiles/installations are to avoid compatibility issues. For example: some websites (e.g.: youtube.com) are not fully compatible with hardware acceleration, but it can't be disabled on a per-domain basis.

''the-edmeister [[#answer-1262850|said]]'' <blockquote> Towards what end do you want to have multiple Firefox "copies" or multiple installations? Separate Profiles can be used which provides for separate "users", with separate user data files and separate add-ons; as good as separate "installations". https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data </blockquote> Thanks. I'll try creating another user profile. The multiple profiles/installations are to avoid compatibility issues. For example: some websites (e.g.: youtube.com) are not fully compatible with hardware acceleration, but it can't be disabled on a per-domain basis.

Modified by NoRain

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the-edmeister
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NoRain said

... The multiple profiles/installations are to avoid compatibility issues. For example: some websites (e.g.: youtube.com) are not fully compatible with hardware acceleration, but it can't be disabled on a per-domain basis.

Controlled via hardware preferences in the Profile, not the Firefox program files.

''NoRain [[#answer-1262877|said]]'' <blockquote>... The multiple profiles/installations are to avoid compatibility issues. For example: some websites (e.g.: youtube.com) are not fully compatible with hardware acceleration, but it can't be disabled on a per-domain basis. </blockquote> Controlled via hardware preferences in the Profile, not the Firefox program files.
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the-edmeister said

NoRain said
... The multiple profiles/installations are to avoid compatibility issues. For example: some websites (e.g.: youtube.com) are not fully compatible with hardware acceleration, but it can't be disabled on a per-domain basis.

Controlled via hardware preferences in the Profile, not the Firefox program files.


Okay, thanks.

Can multiple user profiles be open concurrently?

''the-edmeister [[#answer-1262918|said]]'' <blockquote> ''NoRain [[#answer-1262877|said]]'' <blockquote>... The multiple profiles/installations are to avoid compatibility issues. For example: some websites (e.g.: youtube.com) are not fully compatible with hardware acceleration, but it can't be disabled on a per-domain basis. </blockquote> Controlled via hardware preferences in the Profile, not the Firefox program files. </blockquote> Okay, thanks. Can multiple user profiles be open concurrently?
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the-edmeister
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Yes, by using the -no-remote command line variable. https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options

Or by going thru the new Profile Manager using about:profiles .

Yes, by using the '''-no-remote''' command line variable. https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options Or by going thru the new Profile Manager using '''about:profiles''' .
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the-edmeister said

Yes, by using the -no-remote command line variable. https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options Or by going thru the new Profile Manager using about:profiles .


Okay, thanks.

I've created a second user profile. But how to configure it?

''the-edmeister [[#answer-1262961|said]]'' <blockquote> Yes, by using the '''-no-remote''' command line variable. https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options Or by going thru the new Profile Manager using '''about:profiles''' . </blockquote> Okay, thanks. I've created a second user profile. But how to configure it?

Modified by NoRain

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Senali Madawala
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1.Download the versions of Firefox you wish to install – >removed unofficial third-party link< 2.If you already have a version of Firefox – go to step 4 3.Install a version of Firefox in the normal way 4.Close any Firefox windows 5.Click Start > Run. Type firefox.exe -p (Windows 7 users – Open a command window and run the command from there) 6.Create as many profiles as you have Firefox versions (in my case Profile 1 and Profile 2)

1.Download the versions of Firefox you wish to install – >removed unofficial third-party link< 2.If you already have a version of Firefox – go to step 4 3.Install a version of Firefox in the normal way 4.Close any Firefox windows 5.Click Start > Run. Type firefox.exe -p (Windows 7 users – Open a command window and run the command from there) 6.Create as many profiles as you have Firefox versions (in my case Profile 1 and Profile 2)

Modified by James

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