<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
(	O
IE10	B-Application
)	O
is	O
the	O
tenth	O
,	O
and	O
by	O
now	O
,	O
discontinued	O
,	O
version	O
of	O
the	O
Internet	B-Application
Explorer	I-Application
web	B-Application
browser	I-Application
and	O
the	O
successor	O
to	O
Internet	B-Application
Explorer	I-Application
9	I-Application
,	O
released	O
by	O
Microsoft	O
on	O
September	O
4	O
,	O
2012	O
,	O
shortly	O
after	O
the	O
completion	O
of	O
Windows	B-Device
Server	I-Device
2012	I-Device
.	O
</s>
<s>
It	O
was	O
the	O
default	O
browser	B-Application
that	O
shipped	O
with	O
Windows	B-Application
8	I-Application
and	O
Windows	B-Device
Server	I-Device
2012	I-Device
and	O
can	O
replace	O
previous	O
versions	O
of	O
Internet	B-Application
Explorer	I-Application
on	O
Windows	B-Device
7	I-Device
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
but	O
unlike	O
version	O
9	O
,	O
this	O
version	O
does	O
n't	O
support	O
Windows	B-Application
Vista	I-Application
,	O
Windows	B-Device
Server	I-Device
2008	I-Device
or	O
earlier	O
.	O
</s>
<s>
IE10	B-Application
expands	O
on	O
Internet	B-Application
Explorer	I-Application
9	I-Application
functionality	O
with	O
regard	O
to	O
CSS3	O
support	O
,	O
hardware	B-General_Concept
acceleration	I-General_Concept
,	O
and	O
HTML5	B-Application
support	O
.	O
</s>
<s>
On	O
Windows	B-Application
8	I-Application
,	O
it	O
is	O
divided	O
into	O
two	O
editions	O
with	O
different	O
user	B-Application
interfaces	I-Application
:	O
a	O
Metro	O
app	O
that	O
does	O
not	O
support	O
plug-ins	B-Protocol
and	O
a	O
traditional	O
desktop	O
application	O
that	O
retains	O
plug-in	O
support	O
.	O
</s>
<s>
On	O
64-bit	B-Device
computers	I-Device
,	O
the	O
Metro	O
edition	O
runs	O
in	O
64-bit	B-Device
mode	O
by	O
default	O
.	O
</s>
<s>
The	O
desktop	O
edition	O
can	O
be	O
run	O
in	O
64-bit	B-Device
mode	O
by	O
enabling	O
Enhanced	O
Protected	O
Mode	O
.	O
</s>
<s>
On	O
April	O
12	O
,	O
2011	O
,	O
Microsoft	O
released	O
the	O
first	O
"	O
IE10	B-Application
Platform	O
Preview	O
"	O
,	O
which	O
runs	O
only	O
on	O
Windows	B-Device
7	I-Device
and	O
later	O
.	O
</s>
<s>
While	O
the	O
second	O
platform	O
preview	O
was	O
also	O
available	O
for	O
Windows	B-Device
7	I-Device
and	O
later	O
,	O
the	O
next	O
four	O
platform	O
previews	O
ran	O
only	O
on	O
Windows	B-Application
8	I-Application
.	O
</s>
<s>
The	O
first	O
preview	O
release	O
came	O
four	O
weeks	O
after	O
the	O
final	O
release	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
.	O
</s>
<s>
IE10	B-Application
reached	O
general	O
availability	O
on	O
September	O
4	O
,	O
2012	O
as	O
a	O
component	O
of	O
Windows	B-Device
Server	I-Device
2012	I-Device
.	O
</s>
<s>
IE10	B-Application
was	O
included	O
with	O
the	O
release	O
of	O
Windows	B-Application
8	I-Application
on	O
October	O
26	O
,	O
2012	O
.	O
</s>
<s>
A	O
preview	O
of	O
IE10	B-Application
for	O
Windows	B-Device
7	I-Device
was	O
made	O
available	O
for	O
download	O
on	O
November	O
5	O
,	O
2012	O
.	O
</s>
<s>
On	O
November	O
13	O
,	O
2012	O
,	O
Internet	B-Application
Explorer	I-Application
10	I-Application
and	O
the	O
Platform	O
Update	O
were	O
made	O
available	O
for	O
download	O
to	O
all	O
Windows	B-Device
7	I-Device
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
users	O
.	O
</s>
<s>
Windows	B-Application
Vista	I-Application
and	O
earlier	O
are	O
not	O
supported	O
.	O
</s>
<s>
Support	O
for	O
Internet	B-Application
Explorer	I-Application
10	I-Application
on	O
most	O
Windows	O
versions	O
ended	O
on	O
January	O
12	O
,	O
2016	O
when	O
Microsoft	O
began	O
requiring	O
customers	O
to	O
use	O
the	O
latest	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
available	O
for	O
each	O
Windows	O
version	O
.	O
</s>
<s>
On	O
January	O
31	O
,	O
2020	O
,	O
Microsoft	O
released	O
the	O
final	O
IE10	B-Application
update	O
for	O
Windows	B-Device
Server	I-Device
2012	I-Device
and	O
Windows	O
Embedded	O
8	O
Standard	O
,	O
marking	O
the	O
end	O
of	O
IE10	B-Application
support	O
on	O
all	O
platforms	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
was	O
first	O
announced	O
on	O
April	O
12	O
,	O
2011	O
at	O
the	O
MIX	O
11	O
conference	O
in	O
Las	O
Vegas	O
.	O
</s>
<s>
In	O
this	O
conference	O
,	O
Microsoft	O
showcased	O
a	O
demo	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
along	O
with	O
a	O
demo	O
version	O
of	O
Windows	B-Application
8	I-Application
.	O
</s>
<s>
On	O
the	O
same	O
day	O
,	O
a	O
Platform	O
Preview	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
was	O
released	O
on	O
the	O
Microsoft	B-Application
Internet	I-Application
Explorer	I-Application
Test	O
Drive	O
website	O
.	O
</s>
<s>
It	O
only	O
supports	O
Windows	B-Device
7	I-Device
;	O
later	O
platform	O
previews	O
only	O
support	O
Windows	B-Application
8	I-Application
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
Platform	O
Preview	O
1	O
supports	O
CSS3	O
grid	O
layout	O
,	O
CSS3	O
flexible	O
box	O
layout	O
,	O
CSS3	O
multi-column	O
layout	O
,	O
CSS3	O
gradient	O
,	O
and	O
full	O
hardware	B-General_Concept
acceleration	I-General_Concept
.	O
</s>
<s>
Reviewers	O
 '	O
responses	O
to	O
the	O
release	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
Platform	O
Preview	O
were	O
varied	O
;	O
however	O
,	O
they	O
noted	O
how	O
soon	O
(	O
29	O
days	O
)	O
after	O
the	O
release	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Microsoft	O
began	O
talking	O
about	O
the	O
next	O
version	O
.	O
</s>
<s>
While	O
Don	O
Reisinger	O
of	O
eWeek	O
listed	O
his	O
requested	O
features	O
for	O
the	O
next	O
version	O
,	O
Michael	O
Muchmore	O
of	O
PC	O
Magazine	O
tested	O
Platform	O
Preview	O
1	O
's	O
performance	O
and	O
HTML5	B-Application
support	O
with	O
both	O
Microsoft	O
's	O
and	O
third	O
parties	O
 '	O
test	O
suites	O
.	O
</s>
<s>
In	O
his	O
test	O
,	O
Platform	O
Preview	O
1	O
performed	O
better	O
than	O
Internet	B-Application
Explorer	I-Application
9	I-Application
but	O
not	O
always	O
better	O
than	O
the	O
competing	O
web	B-Application
browsers	I-Application
.	O
</s>
<s>
On	O
September	O
13	O
,	O
2011	O
,	O
Microsoft	O
released	O
the	O
developer	O
preview	O
of	O
Windows	B-Application
8	I-Application
to	O
the	O
general	O
public	O
,	O
which	O
came	O
with	O
Internet	B-Application
Explorer	I-Application
Developer	O
Preview	O
(	O
the	O
first	O
full	O
browser	B-Application
incarnation	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
)	O
.	O
</s>
<s>
Although	O
Internet	B-Application
Explorer	I-Application
is	O
the	O
last	O
major	O
web	B-Application
browser	I-Application
among	O
Mozilla	B-Application
Firefox	I-Application
,	O
Google	B-Application
Chrome	I-Application
,	O
Opera	B-Application
,	O
and	O
Safari	B-Application
to	O
support	O
spell	O
checking	O
,	O
it	O
is	O
the	O
first	O
desktop	O
browser	B-Application
on	O
Windows	O
to	O
support	O
autocorrection	B-Protocol
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
was	O
released	O
to	O
manufacturing	O
along	O
with	O
Windows	B-Application
8	I-Application
and	O
Windows	B-Device
Server	I-Device
2012	I-Device
.	O
</s>
<s>
A	O
preview	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
for	O
Windows	B-Device
7	I-Device
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
was	O
released	O
on	O
November	O
13	O
,	O
2012	O
.	O
</s>
<s>
On	O
Windows	B-Application
8	I-Application
,	O
Internet	B-Application
Explorer	I-Application
10	I-Application
includes	O
a	O
built-in	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
.	O
</s>
<s>
Microsoft	O
and	O
Adobe	O
worked	O
together	O
to	O
ensure	O
that	O
the	O
version	O
of	O
Adobe	O
Flash	O
included	O
with	O
Internet	B-Application
Explorer	I-Application
10	I-Application
does	O
not	O
drain	O
the	O
battery	O
or	O
impact	O
performance	O
in	O
negative	O
ways	O
.	O
</s>
<s>
In	O
the	O
"	O
Metro	O
"	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
,	O
only	O
some	O
of	O
the	O
features	O
of	O
Adobe	O
Flash	O
will	O
be	O
included	O
for	O
battery	O
life	O
,	O
performance	O
and	O
security	O
purposes	O
.	O
</s>
<s>
Some	O
features	O
that	O
do	O
not	O
work	O
well	O
with	O
touch	O
have	O
also	O
been	O
removed	O
from	O
the	O
"	O
Metro	O
"	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
.	O
</s>
<s>
However	O
,	O
originally	O
,	O
not	O
all	O
websites	O
can	O
use	O
Adobe	O
Flash	O
in	O
the	O
"	O
Metro	O
"	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
as	O
Microsoft	O
and	O
Adobe	O
maintain	O
a	O
list	O
of	O
approved	O
websites	O
that	O
are	O
,	O
reportedly	O
,	O
video	O
content	O
and	O
some	O
games	O
.	O
</s>
<s>
In	O
the	O
desktop	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
,	O
all	O
of	O
the	O
features	O
of	O
Adobe	O
Flash	O
are	O
available	O
.	O
</s>
<s>
The	O
desktop	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
(	O
available	O
for	O
Windows	B-Device
7	I-Device
and	O
Windows	B-Application
8	I-Application
)	O
retains	O
the	O
user	B-Application
interface	I-Application
(	O
UI	B-Application
)	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
with	O
minor	O
refinements	O
,	O
such	O
as	O
removing	O
gradients	O
.	O
</s>
<s>
The	O
Metro	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
(	O
available	O
on	O
Windows	B-Application
8	I-Application
)	O
includes	O
a	O
new	O
UI	B-Application
,	O
most	O
of	O
which	O
is	O
hidden	O
so	O
that	O
the	O
webpage	O
being	O
viewed	O
takes	O
up	O
the	O
entire	O
screen	O
.	O
</s>
<s>
The	O
UI	B-Application
can	O
be	O
revealed	O
by	O
a	O
right	O
click	O
of	O
the	O
mouse	B-Device
or	O
by	O
a	O
swipe	O
from	O
the	O
top	O
or	O
bottom	O
edges	O
of	O
a	O
touchscreen	B-Device
.	O
</s>
<s>
When	O
the	O
UI	B-Application
is	O
shown	O
,	O
the	O
tabs	O
are	O
listed	O
on	O
the	O
top	O
of	O
the	O
screen	O
,	O
with	O
a	O
small	O
preview	O
of	O
the	O
webpage	O
on	O
each	O
tab	O
.	O
</s>
<s>
Navigational	O
buttons	O
include	O
the	O
Back	O
button	O
(	O
to	O
navigate	O
to	O
the	O
previous	O
page	O
)	O
,	O
the	O
Refresh	O
button	O
(	O
to	O
reload	O
active	O
page	O
)	O
,	O
the	O
Pin	O
button	O
(	O
which	O
create	O
a	O
new	O
shortcut	O
tile	O
for	O
the	O
active	O
page	O
on	O
the	O
Start	O
screen	O
)	O
,	O
and	O
a	O
wrench-shaped	O
icon	O
,	O
which	O
opens	O
the	O
only	O
menu	O
of	O
IE10	B-Application
.	O
</s>
<s>
It	O
contains	O
options	O
such	O
as	O
"	O
View	O
on	O
Desktop	O
"	O
,	O
which	O
opens	O
the	O
current	O
webpage	O
on	O
the	O
desktop	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
,	O
and	O
"	O
Find	O
on	O
page	O
"	O
,	O
which	O
can	O
find	O
a	O
text	O
string	O
(	O
a	O
word	O
,	O
phrase	O
or	O
arbitrary	O
set	O
of	O
letters	O
)	O
in	O
the	O
active	O
page	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
also	O
introduces	O
a	O
new	O
feature	O
called	O
Flip	O
Ahead	O
.	O
</s>
<s>
This	O
works	O
in	O
both	O
Metro	O
and	O
desktop	O
versions	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
is	O
the	O
first	O
web	B-Application
browser	I-Application
to	O
support	O
smooth	O
CSS	B-Language
transitions	O
of	O
linear	O
gradients	O
.	O
</s>
<s>
Name	O
New	O
features	O
Internet	B-Application
Explorer	I-Application
10	I-Application
Platform	O
Preview	O
Support	O
for	O
CSS3	O
multi-column	O
layout	O
,	O
CSS3	O
grid	O
layout	O
,	O
CSS3	O
flexible	O
box	O
layout	O
,	O
CSS3	O
gradients	O
,	O
ES5	O
strict	O
mode	O
,	O
and	O
a	O
new	O
user	B-Protocol
agent	I-Protocol
string	O
(	O
see	O
§User	O
agent	O
string	O
)	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
Platform	O
Preview	O
2	O
Support	O
for	O
Positioned	O
Floats	O
,	O
CSS	B-Language
stylesheet	I-Language
limit	O
lifted	O
,	O
CSSOM	O
Floating	O
Point	O
Value	O
support	O
,	O
Improved	O
hit	O
testing	O
APIs	B-Application
,	O
Media	O
Query	O
Listeners	O
,	O
HTML5	B-Application
:	O
Support	O
for	O
async	O
attribute	O
on	O
script	O
elements	O
,	O
HTML5	B-Application
Drag	O
and	O
Drop	O
,	O
HTML5	B-Application
File	O
API	B-Application
,	O
HTML5	B-Application
Sandbox	O
,	O
HTML5	B-Application
Web	O
Workers	O
,	O
and	O
some	O
Web	O
Performance	O
APIs	B-Application
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
Developer	O
Preview	O
Support	O
for	O
Windows	B-Application
8	I-Application
,	O
CSS	B-Language
3D	O
Transforms	O
,	O
CSS	B-Language
Text	O
shadow	O
,	O
SVG	O
Filter	O
Effects	O
,	O
Spellchecking	O
,	O
Autocorrection	B-Protocol
,	O
local	O
storage	O
with	O
IndexedDB	O
and	O
the	O
HTML5	B-Application
Application	O
Cache	O
,	O
Web	B-Protocol
Sockets	I-Protocol
,	O
HTML5	B-Application
History	O
,	O
and	O
InPrivate	O
tabs	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
Platform	O
Preview	O
4	O
Cross-Origin	B-General_Concept
Resource	I-General_Concept
Sharing	I-General_Concept
,	O
File	O
API	B-Application
Writer	O
,	O
JavaScript	O
Typed	O
Arrays	O
(	O
WebGL	B-Library
)	O
,	O
CSS	B-Language
user	O
select	O
property	O
,	O
HTML5	B-Application
Video	O
Text	O
Captioning	O
,	O
and	O
Updated	O
Quirks	O
Mode	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
Consumer	O
Preview	O
Cross-Origin	B-General_Concept
Resource	I-General_Concept
Sharing	I-General_Concept
(	O
CORS	B-General_Concept
)	O
for	O
XMLHttpRequest	O
,	O
CSS	B-Language
-ms-user-select	O
property	O
,	O
CSS3	O
font-feature-settings	O
property	O
to	O
access	O
advanced	O
OpenType	O
features	O
,	O
Document	O
setting	O
to	O
enable	O
floating	O
point	O
values	O
in	O
CSS-OM	O
,	O
HTML5	B-Application
BlobBuilder	O
API	B-Application
and	O
new	O
APIs	B-Application
to	O
save	O
or	O
open	O
files	O
,	O
HTML5	B-Application
track	O
element	O
for	O
HTML5	B-Application
video	O
captions	O
,	O
Interoperable	O
HTML5	B-Application
Quirks	O
mode	O
,	O
JavaScript	O
Typed	O
Arrays	O
,	O
Meta	O
tag	O
to	O
alert	O
user	O
that	O
site	O
requires	O
ActiveX	O
add-ons	O
available	O
only	O
in	O
desktop	O
IE10	B-Application
,	O
removal	O
of	O
legacy	O
graphics	O
features	O
from	O
IE10	B-Application
standards	O
mode	O
,	O
changes	O
to	O
support	O
latest	O
HTML5	B-Application
WebSocket	B-Protocol
API	I-Protocol
,	O
and	O
Web	O
Worker	O
thread	O
pooling	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
Release	O
Preview	O
Removal	O
of	O
app	O
switch	O
button	O
,	O
new	O
UI	B-Application
for	O
search	O
results	O
,	O
integration	O
of	O
touch-friendly	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
,	O
Flip	O
Ahead	O
,	O
"	O
Do	O
not	O
track	O
"	O
-flag	O
set	O
by	O
default	O
,	O
removal	O
of	O
legacy	O
DX	O
filters	O
from	O
all	O
of	O
the	O
document	O
modes	O
(	O
can	O
be	O
re-enabled	O
using	O
the	O
Internet	O
Options	O
dialog	O
)	O
,	O
and	O
support	O
for	O
(	O
CSS	B-Language
transitions	O
,	O
transforms	O
,	O
animations	O
,	O
gradients	O
,	O
and	O
CSS	B-Language
Fonts’	O
font-feature-settings	O
property	O
,	O
as	O
well	O
as	O
platform	O
APIs	B-Application
such	O
as	O
the	O
Indexed	O
Database	O
API	B-Application
(	O
IndexedDB	O
)	O
and	O
requestAnimationFrame( )	O
)	O
in	O
their	O
unprefixed	O
forms	O
,	O
but	O
still	O
supports	O
their	O
prefixed	O
forms	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
None	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
no	O
longer	O
features	O
or	O
supports	O
the	O
following	O
:	O
</s>
<s>
At	O
the	O
Windows	O
Phone	O
Developer	O
Summit	O
in	O
June	O
2012	O
,	O
Joe	O
Belfiore	O
announced	O
Windows	O
Phone	O
8	O
due	O
towards	O
the	O
end	O
of	O
2012	O
,	O
which	O
will	O
include	O
a	O
mobile	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
that	O
offers	O
four	O
times	O
faster	O
JavaScript	O
performance	O
and	O
two	O
times	O
more	O
support	O
for	O
HTML	B-Application
5	I-Application
features	O
.	O
</s>
<s>
It	O
includes	O
Microsoft	O
SmartScreen	O
and	O
supports	O
touch	O
in	O
HTML5	B-Application
apps	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
10	I-Application
has	O
a	O
new	O
user	B-Protocol
agent	I-Protocol
string	O
which	O
has	O
the	O
following	O
general	O
format	O
:	O
</s>
<s>
The	O
last	O
token	O
,	O
"	O
Touch	O
"	O
,	O
only	O
appears	O
on	O
systems	O
equipped	O
with	O
a	O
touchscreen	B-Device
.	O
</s>
