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→Migration Opt-out
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* Stub installer success rate with Win64 should be greater than or equal to WOW64 | * Stub installer success rate with Win64 should be greater than or equal to WOW64 | ||
* Win64 performance benchmarks should be faster than or equal to WOW64 | * Win64 performance benchmarks should be faster than or equal to WOW64 | ||
= Migration Opt-Out = | |||
Users running 32-bit Firefox on Win64 OS with more than 2 GB RAM will be automatically upgraded/migrated to 64-bit Firefox 56.0.1. 32-bit Firefox users that do not wish to be migrated to 64-bit Firefox can opt-out of the migration setting a Windows registry key (added in {{bug|1386176}}) as described below. | |||
If you have already been migrated to 64-bit Firefox 56.0.1 but prefer to run 32-bit Firefox, you can [https://www.mozilla.org/firefox/all/ download 32-bit Windows Firefox 56.0.1] and re-install. Firefox will not attempt to migrate 32-bit users running version 56.0.1 or later! | |||
Instructions for creating the migration opt-out registry key: | |||
* To disable migration for''' all Firefox installations''' on a client system '''for all users''', create the following registry entry: | |||
** Path: '''HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox\32to64DidMigrate''' | |||
** Value Type: '''DWORD (32 bit) Value''' | |||
** Value Name: '''Never''' | |||
** Value: '''1''' | |||
* To disable migration for '''all Firefox installations''' on a client system only '''for the current user''', create the following registry entry: | |||
** Path: '''HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\32to64DidMigrate''' | |||
** Value Type: '''DWORD (32 bit) Value''' | |||
** Value Name: '''Never''' | |||
** Value: '''1''' | |||
* To disable migration for a '''single Firefox installation''' on a client system '''for all users''', create the following registry entry: | |||
** Path: '''HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox\32to64DidMigrate''' | |||
** Value Type: '''DWORD (32 bit) Value''' | |||
** Value Name: ''<Windows path to the installation without a trailing backslash>'' | |||
*** example: '''C:\Program Files (x86)\Mozilla Firefox''' | |||
** Value: '''1''' | |||
* To disable migration for a '''single Firefox installation''' on a client system only '''for the current user''', create the following registry entry: | |||
** Path: '''HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\32to64DidMigrate''' | |||
** Value Type: '''DWORD (32 bit) Value''' | |||
** Value Name: ''<Windows path to the installation without a trailing backslash>'' | |||
*** example: '''C:\Program Files (x86)\Mozilla Firefox''' | |||
** Value: '''1''' | |||
= Links = | = Links = | ||