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Is my firefox 64 or 32 bit

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  • 36 have this problem
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  • Last reply by James

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Build identifier: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:28.0) Gecko/20100101 Firefox/28.0 I would like to know

Build identifier: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:28.0) Gecko/20100101 Firefox/28.0 I would like to know

Chosen solution

WOW64 means it is a 32-bit application on 64-bit Windows. It is the 32bit emulator for x64 systems.

Mozilla does not have Win64 release builds of Firefox yet and not likely for a while still. They do have 64-bit Release builds for Mac OSX (combined 32/64) and for Linux.

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Chosen Solution

WOW64 means it is a 32-bit application on 64-bit Windows. It is the 32bit emulator for x64 systems.

Mozilla does not have Win64 release builds of Firefox yet and not likely for a while still. They do have 64-bit Release builds for Mac OSX (combined 32/64) and for Linux.

Modified by James