Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

搜尋 Mozilla 技術支援網站

防止技術支援詐騙。我們絕對不會要求您撥打電話或發送簡訊,或是提供個人資訊。請用「回報濫用」功能回報可疑的行為。

了解更多
已解決 封存

installed firefox 51.01 64 bit but?

tomsff replied
tomsff

Hello Everyone, i download and installed the 64 bit firefox but when i uninstalled the 32 bit it all disappeared. how do I get the 64bit installed and get rid of this 32bit i have now. btw when i reinstalled the firefox it did not give me an option to install the 64bit just the 32 bit, thats what i have now. any ideas please, Thanks

Hello Everyone, i download and installed the 64 bit firefox but when i uninstalled the 32 bit it all disappeared. how do I get the 64bit installed and get rid of this 32bit i have now. btw when i reinstalled the firefox it did not give me an option to install the 64bit just the 32 bit, thats what i have now. any ideas please, Thanks
從原來的回覆中察看解決方案

選擇的解決方法

actually i am unsure myself since i never had both versions installed side-by-side. but yes, if you first uninstall the old 32bit version and then run your saved 64bit installer you couldn't do anything wrong!

所有回覆 (4)

hi, you can download the 64bit version for windows from https://www.mozilla.org/en-US/firefox/all/

How to switch from 32-bit to 64-bit Firefox

I did this before but when i uninstalled 32bit from programs i could not find the installed 64bit on the pc. do i download and save the 64bit first somewhere, then uninstall the 32bit,? Thanks

選擇的解決方法

actually i am unsure myself since i never had both versions installed side-by-side. but yes, if you first uninstall the old 32bit version and then run your saved 64bit installer you couldn't do anything wrong!

Philipp, Thank you that did it, i got it, Thank You