<s>
Mozilla	B-Operating_System
localizations	I-Operating_System
are	O
localized	B-General_Concept
versions	O
of	O
Mozilla	O
products	O
.	O
</s>
<s>
Mozilla	B-Application
Firefox	I-Application
is	O
the	O
most	O
heavily	O
localized	B-General_Concept
cross-platform	O
web	B-Application
browser	I-Application
to	O
date	O
.	O
</s>
<s>
The	O
first	O
official	O
release	O
in	O
November	O
2004	O
was	O
available	O
for	O
28	O
different	O
locales	B-Device
including	O
British	O
English/American	O
English	O
,	O
European	O
Spanish/Argentine	O
Spanish	O
and	O
Chinese	O
in	O
Traditional	O
Chinese	O
characters/Simplified	O
Chinese	O
characters	O
.	O
</s>
<s>
Firefox	B-Application
4	O
initially	O
shipped	O
with	O
over	O
80	O
locales	B-Device
and	O
introduced	O
10	O
new	O
locales	B-Device
,	O
including	O
6	O
African	O
languages	O
.	O
</s>
<s>
The	O
following	O
table	O
lists	O
releases	O
of	O
Firefox	B-Application
and	O
its	O
precursors	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
operating	I-Application
system	I-Application
,	O
listing	O
all	O
locales	B-Device
available	O
at	O
the	O
end	O
of	O
each	O
version	O
's	O
releases	O
.	O
</s>
<s>
Mozilla	B-Application
Thunderbird	I-Application
,	O
the	O
email	O
application	O
,	O
has	O
somewhat	O
fewer	O
localised	O
releases	O
.	O
</s>
<s>
The	O
initial	O
release	O
was	O
in	O
US	O
English	O
only	O
but	O
since	O
then	O
,	O
it	O
has	O
been	O
released	O
in	O
45	O
languages	O
and	O
for	O
47	O
locales	B-Device
.	O
</s>
<s>
Though	O
much	O
of	O
the	O
Mozilla	O
web	O
content	O
can	O
be	O
localized	B-General_Concept
,	O
the	O
extent	O
of	O
localization	O
varies	O
from	O
locale	B-Device
to	O
locale	B-Device
.	O
</s>
<s>
For	O
example	O
,	O
the	O
Mozilla	B-Application
Firefox	I-Application
Privacy	O
Policy	O
is	O
currently	O
only	O
available	O
in	O
English	O
.	O
</s>
