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How do I update to 3.6 or 4.0 to get on Powerschool?

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They upgraded Power School at my daughters high school. Now I can't pull up her information from school. They told me Firefox must be at 3.6 or 4.0

They upgraded Power School at my daughters high school. Now I can't pull up her information from school. They told me Firefox must be at 3.6 or 4.0

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Install Firefox Portable 3.6.22 to your hard drive to use at that website, and continue using your current version elsewhere.

http://portableapps.com/apps/internet/firefox_portable/localization#legacy36