<s>
Microsoft	B-Application
Windows	I-Application
is	O
a	O
computer	B-General_Concept
operating	I-General_Concept
system	I-General_Concept
developed	O
by	O
Microsoft	O
.	O
</s>
<s>
It	O
was	O
first	O
launched	O
in	O
1985	O
as	O
a	O
graphical	O
operating	B-General_Concept
system	I-General_Concept
built	O
on	O
MS-DOS	B-Application
.	O
</s>
<s>
A	O
"	O
personal	B-Device
computer	I-Device
"	O
version	O
of	O
Windows	O
is	O
considered	O
to	O
be	O
a	O
version	O
that	O
end-users	O
or	O
OEMs	O
can	O
install	O
on	O
personal	B-Device
computers	I-Device
,	O
including	O
desktop	B-Device
computers	I-Device
,	O
laptops	O
,	O
and	O
workstations	O
.	O
</s>
<s>
The	O
first	O
five	O
versions	O
of	O
WindowsWindows	O
1.0	O
,	O
Windows	B-Application
2.0	I-Application
,	O
Windows	B-Application
2.1	I-Application
,	O
Windows	B-Application
3.0	I-Application
,	O
and	O
Windows	O
3.1were	O
all	O
based	O
on	O
MS-DOS	B-Application
,	O
and	O
were	O
aimed	O
at	O
both	O
consumers	O
and	O
businesses	O
.	O
</s>
<s>
However	O
,	O
Windows	B-Application
3.1	I-Application
had	O
two	O
separate	O
successors	O
,	O
splitting	O
the	O
Windows	O
line	O
in	O
two	O
:	O
the	O
consumer-focused	O
"	O
Windows	O
9x	O
"	O
line	O
,	O
consisting	O
of	O
Windows	B-Application
95	I-Application
,	O
Windows	B-Device
98	I-Device
,	O
and	O
Windows	B-Device
Me	I-Device
;	O
and	O
the	O
professional	O
Windows	O
NT	O
line	O
,	O
comprising	O
Windows	B-Device
NT	I-Device
3.1	I-Device
,	O
Windows	B-Device
NT	I-Device
3.5	I-Device
,	O
Windows	B-Device
NT	I-Device
3.51	I-Device
,	O
Windows	B-Device
NT	I-Device
4.0	I-Device
,	O
and	O
Windows	B-Application
2000	I-Application
.	O
</s>
<s>
These	O
two	O
lines	O
were	O
reunited	O
into	O
a	O
single	O
line	O
with	O
the	O
NT-based	O
Windows	B-Application
XP	I-Application
;	O
this	O
Windows	O
release	O
succeeded	O
both	O
Windows	B-Device
Me	I-Device
and	O
Windows	B-Application
2000	I-Application
and	O
had	O
separate	O
editions	O
for	O
consumer	O
and	O
professional	O
use	O
.	O
</s>
<s>
Since	O
Windows	B-Application
XP	I-Application
,	O
multiple	O
further	O
versions	B-Operating_System
of	I-Operating_System
Windows	I-Operating_System
have	O
been	O
released	O
,	O
the	O
most	O
recent	O
of	O
which	O
is	O
Windows	B-Application
11	I-Application
.	O
</s>
<s>
Mobile	O
versions	O
refer	O
to	O
versions	B-Operating_System
of	I-Operating_System
Windows	I-Operating_System
that	O
can	O
run	O
on	O
smartphones	O
or	O
personal	O
digital	O
assistants	O
.	O
</s>
<s>
Windows	O
MultiPoint	O
Server	O
was	O
an	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
Windows	B-Device
Server	I-Device
.	O
</s>
<s>
It	O
was	O
succeeded	O
by	O
the	O
MultiPoint	O
Services	O
role	O
in	O
Windows	B-Device
Server	I-Device
2016	I-Device
and	O
Windows	B-Device
Server	I-Device
version	O
1709	O
.	O
</s>
<s>
It	O
was	O
no	O
longer	O
being	O
developed	O
in	O
Windows	B-Device
Server	I-Device
version	O
1803	O
and	O
later	O
versions	O
.	O
</s>
<s>
In	O
2012	O
and	O
2013	O
,	O
Microsoft	O
released	O
versions	B-Operating_System
of	I-Operating_System
Windows	I-Operating_System
specially	O
designed	O
to	O
run	O
on	O
ARM-based	O
tablets	O
;	O
these	O
versions	B-Operating_System
of	I-Operating_System
Windows	I-Operating_System
were	O
based	O
on	O
Windows	B-Application
8	I-Application
and	O
Windows	B-Device
8.1	I-Device
,	O
respectively	O
,	O
although	O
the	O
standard	O
versions	O
could	O
run	O
on	O
x86-based	O
tablets	O
without	O
modification	O
.	O
</s>
<s>
Upon	O
the	O
release	O
of	O
Windows	O
10	O
in	O
2015	O
,	O
the	O
ARM-specific	O
version	O
for	O
large	O
tablets	O
was	O
discontinued	O
;	O
large	O
tablets	O
(	O
such	O
as	O
the	O
Surface	B-Device
Pro	I-Device
4	I-Device
)	O
were	O
only	O
released	O
with	O
x86	B-Operating_System
processors	O
and	O
could	O
run	O
the	O
full	O
version	O
of	O
Windows	O
10	O
.	O
</s>
<s>
In	O
2017	O
,	O
the	O
full	O
version	O
of	O
Windows	O
10	O
gained	O
the	O
ability	O
to	O
run	O
on	O
ARM	B-Architecture
,	O
which	O
rendered	O
a	O
specific	O
version	O
of	O
Windows	O
for	O
ARM-based	O
tablets	O
unnecessary	O
.	O
</s>
<s>
Microsoft	O
originally	O
announced	O
the	O
Surface	O
Hub	O
,	O
an	O
interactive	B-Application
whiteboard	I-Application
,	O
in	O
January	O
2015	O
.	O
</s>
<s>
Two	O
versions	B-Operating_System
of	I-Operating_System
Windows	I-Operating_System
XP	B-Application
were	O
released	O
that	O
were	O
optimized	O
for	O
tablets	O
.	O
</s>
<s>
Beginning	O
with	O
Windows	B-Application
Vista	I-Application
,	O
all	O
tablet-specific	O
components	O
were	O
included	O
in	O
the	O
main	O
version	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
CodenameIntended	O
nameDiscontinuationVersionLatest	O
known	O
build	O
numberNotesCairo1996NT	O
4.01175Originally	O
announced	O
in	O
1991NashvilleWindows	O
964.1999Planned	O
to	O
be	O
released	O
between	O
Windows	B-Application
95	I-Application
and	O
Windows	O
98NeptuneEarly	O
2000NT	O
5.505111The	O
first	O
planned	O
version	O
of	O
Microsoft	B-Application
Windows	I-Application
NT	O
to	O
have	O
a	O
consumer	O
edition	O
variant	O
,	O
based	O
on	O
the	O
Windows	B-Application
2000	I-Application
codebase	O
.	O
</s>
<s>
The	O
teams	O
working	O
on	O
Neptune	O
and	O
Odyssey	O
combined	O
to	O
work	O
on	O
Windows	O
XP.OdysseyEarly	O
2000NT	O
6.0Planned	O
to	O
be	O
the	O
successor	O
of	O
Windows	B-Application
2000	I-Application
.	O
</s>
<s>
The	O
teams	O
working	O
on	O
Neptune	O
and	O
Odyssey	O
combined	O
to	O
work	O
on	O
Windows	O
XP.TritonPlanned	O
to	O
be	O
the	O
successor	O
of	O
Windows	O
Neptune	O
and	O
had	O
been	O
scheduled	O
to	O
be	O
released	O
in	O
March	O
2001Blackcomb2006-01Blackcomb	O
was	O
originally	O
planned	O
to	O
be	O
a	O
release	O
of	O
Windows	O
following	O
Windows	B-Application
XP	I-Application
.	O
</s>
<s>
Both	O
projects	O
faced	O
delays	O
;	O
Longhorn	O
would	O
go	O
on	O
to	O
be	O
released	O
to	O
consumers	O
as	O
"	O
Windows	B-Application
Vista	I-Application
"	O
in	O
January	O
2007	O
,	O
while	O
development	O
on	O
Blackcomb	O
continued	O
until	O
the	O
Blackcomb	O
project	O
was	O
renamed	O
"	O
Vienna	O
"	O
in	O
early	O
2006.Vienna2007-07Vienna	O
replaced	O
Blackcomb	O
and	O
was	O
intended	O
as	O
Windows	B-Application
Vista	I-Application
's	O
successor	O
.	O
</s>
<s>
Vienna	O
was	O
eventually	O
cancelled	O
in	O
favor	O
of	O
a	O
new	O
project	O
codenamed	O
"	O
Windows	B-Device
7	I-Device
"	O
(	O
which	O
went	O
on	O
to	O
be	O
released	O
in	O
2009	O
with	O
the	O
same	O
name	O
)	O
.Polaris201816299Cancelled	O
in	O
favor	O
of	O
SantoriniSantoriniWindows	O
10X2021-05-1821H120279Microsoft	O
had	O
been	O
reported	O
as	O
working	O
on	O
a	O
new	O
"	O
lite	O
"	O
version	O
of	O
Windows	O
as	O
early	O
as	O
December	O
2018	O
.	O
</s>
<s>
Such	O
a	O
version	O
was	O
officially	O
announced	O
under	O
the	O
name	O
"	O
Windows	O
10X	O
"	O
at	O
an	O
event	O
in	O
October	O
2019	O
;	O
the	O
operating	B-General_Concept
system	I-General_Concept
was	O
intended	O
to	O
first	O
launch	O
on	O
dual-screen	O
devices	O
.	O
</s>
<s>
In	O
May	O
2020	O
,	O
Microsoft	O
announced	O
that	O
Windows	O
10X	O
would	O
instead	O
be	O
launching	O
on	O
single-screen	O
PCs	B-Device
,	O
such	O
as	O
laptops	O
and	O
2-in-1	O
devices	O
,	O
first	O
.	O
</s>
<s>
However	O
,	O
on	O
May	O
18	O
,	O
2021	O
,	O
Microsoft	O
announced	O
that	O
Windows	O
10X	O
would	O
not	O
be	O
launching	O
(	O
at	O
least	O
not	O
in	O
2021	O
)	O
;	O
many	O
of	O
its	O
features	O
were	O
rolled	O
into	O
Windows	B-Application
11	I-Application
instead	O
.	O
</s>
<s>
The	O
Surface	B-Application
Duo	I-Application
,	O
a	O
dual-screen	O
Android-powered	O
smartphone	O
launched	O
by	O
Microsoft	O
in	O
2020	O
,	O
was	O
loosely	O
based	O
on	O
the	O
prototype	O
hardware	O
that	O
had	O
been	O
used	O
to	O
test	O
Andromeda	O
.	O
</s>
