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mozilla firefox version 63 esr

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Hi, i need to download older 63 esr. Please share the link immediately. Thanks Mani

Hi, i need to download older 63 esr. Please share the link immediately. Thanks Mani

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hello, a firefox version 63esr has never existed.

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When you find out what version you need,

Install Older Version Of Firefox {web link} Be sure to read everything here.

If you still want to downgrade, look under; I still want to downgrade. Click the Directory of other versions and languages link. Look for the directory of the version that you want. But, remember that old versions may have security issues.

You should also check out Firefox; Extended Support Release {web link} ESR Notes System Requirements

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What reasons do you have to run such an old Firefox version ? Why isn't 68 ESR sufficient ? The previous ESR version was 60.9.0 ESR.