<s>
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
is	O
a	O
platform	O
introduced	O
as	O
part	O
of	O
the	O
Windows	B-Operating_System
10	I-Operating_System
and	O
11	O
operating	O
system	O
,	O
which	O
provides	O
augmented	B-General_Concept
reality	I-General_Concept
and	O
virtual	B-Application
reality	I-Application
experiences	O
with	O
compatible	O
head-mounted	B-General_Concept
displays	I-General_Concept
.	O
</s>
<s>
Its	O
flagship	O
device	O
,	O
Microsoft	B-General_Concept
HoloLens	I-General_Concept
,	O
was	O
announced	O
at	O
the	O
"	O
Windows	B-Operating_System
10	I-Operating_System
:	O
The	O
Next	O
Chapter	O
"	O
press	O
event	O
on	O
January	O
21	O
,	O
2015	O
.	O
</s>
<s>
The	O
HoloLens	B-General_Concept
provides	O
an	O
augmented	B-General_Concept
reality	I-General_Concept
experience	O
where	O
a	O
live	O
presentation	O
of	O
physical	O
real-world	O
elements	O
is	O
incorporated	O
with	O
that	O
of	O
virtual	O
elements	O
(	O
referred	O
to	O
as	O
"	O
holograms	O
"	O
by	O
Microsoft	O
)	O
such	O
that	O
they	O
are	O
perceived	O
to	O
exist	O
together	O
in	O
a	O
shared	O
environment	O
.	O
</s>
<s>
A	O
variant	O
of	O
Windows	O
for	O
augmented	B-General_Concept
reality	I-General_Concept
computers	O
(	O
which	O
augment	O
a	O
real-world	O
physical	O
environment	O
with	O
virtual	O
elements	O
)	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
features	O
an	O
augmented-reality	B-General_Concept
operating	B-Application
environment	I-Application
in	O
which	O
any	O
Universal	O
Windows	O
Platform	O
app	O
can	O
run	O
.	O
</s>
<s>
The	O
platform	O
is	O
also	O
used	O
for	O
virtual	B-Device
reality	I-Device
headsets	I-Device
designed	O
for	O
use	O
on	O
the	O
Windows	B-Operating_System
10	I-Operating_System
Fall	O
Creators	O
Update	O
,	O
which	O
are	O
built	O
to	O
specifications	O
implemented	O
as	O
part	O
of	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
,	O
but	O
lack	O
support	O
for	O
augmented-reality	B-General_Concept
experiences	O
.	O
</s>
<s>
The	O
premier	O
device	O
for	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
,	O
Microsoft	B-General_Concept
HoloLens	I-General_Concept
is	O
a	O
smart-glasses	B-General_Concept
headset	O
that	O
is	O
a	O
cordless	O
,	O
self-contained	O
Windows	B-Operating_System
10	I-Operating_System
computer	O
running	O
Windows	B-Operating_System
10	I-Operating_System
Holographic	O
.	O
</s>
<s>
It	O
uses	O
various	O
sensors	O
,	O
a	O
high-definition	O
stereoscopic	O
3D	O
optical	B-General_Concept
head-mounted	I-General_Concept
display	I-General_Concept
,	O
and	O
spatial	O
sound	O
to	O
allow	O
for	O
augmented	B-General_Concept
reality	I-General_Concept
applications	O
,	O
with	O
a	O
natural	B-Application
user	I-Application
interface	I-Application
that	O
the	O
user	O
interacts	O
with	O
through	O
gaze	O
,	O
voice	O
,	O
and	O
hand	O
gestures	O
.	O
</s>
<s>
Codenamed	O
"	O
Project	B-General_Concept
Baraboo	I-General_Concept
"	O
,	O
HoloLens	B-General_Concept
had	O
been	O
in	O
development	O
for	O
five	O
years	O
before	O
its	O
announcement	O
in	O
2015	O
,	O
but	O
was	O
conceived	O
earlier	O
as	O
the	O
original	O
pitch	O
made	O
in	O
late	O
2007	O
for	O
what	O
would	O
become	O
the	O
Kinect	B-Algorithm
technology	O
platform	O
.	O
</s>
<s>
Microsoft	O
has	O
targeted	O
HoloLens	B-General_Concept
for	O
release	O
"	O
in	O
the	O
Windows	B-Operating_System
10	I-Operating_System
timeframe	O
"	O
,	O
with	O
the	O
Microsoft	B-General_Concept
HoloLens	I-General_Concept
Development	O
Edition	O
to	O
begin	O
shipping	O
March	O
30	O
,	O
2016	O
,	O
available	O
by	O
application	O
to	O
developers	O
in	O
the	O
United	O
States	O
and	O
Canada	O
for	O
a	O
list	O
price	O
of	O
US$3000	O
.	O
</s>
<s>
Although	O
the	O
Development	O
Edition	O
is	O
considered	O
to	O
be	O
consumer-ready	O
hardware	O
,	O
as	O
of	O
February	O
2016	O
Microsoft	O
has	O
not	O
set	O
a	O
time	O
frame	O
for	O
consumer	O
availability	O
of	O
HoloLens	B-General_Concept
,	O
with	O
HoloLens	B-General_Concept
chief	O
inventor	O
Alex	O
Kipman	O
stating	O
that	O
HoloLens	B-General_Concept
will	O
have	O
a	O
consumer	O
release	O
only	O
when	O
the	O
market	O
is	O
ready	O
for	O
it	O
.	O
</s>
<s>
Companies	O
such	O
as	O
Samsung	B-Application
Electronics	O
and	O
Asus	O
had	O
expressed	O
interest	O
in	O
working	O
with	O
Microsoft	O
to	O
produce	O
their	O
own	O
mixed-reality	O
products	O
based	O
on	O
HoloLens	B-General_Concept
.	O
</s>
<s>
In	O
October	O
2016	O
during	O
a	O
hardware	O
event	O
,	O
Microsoft	O
announced	O
that	O
multiple	O
OEMs	O
would	O
release	O
virtual	B-Device
reality	I-Device
headsets	I-Device
for	O
the	O
Windows	B-General_Concept
Holographic	I-General_Concept
platform	O
,	O
based	O
on	O
Microsoft	O
reference	O
designs	O
enabling	O
room-scale	O
virtual	B-Application
reality	I-Application
without	O
external	O
sensors	O
or	O
components	O
.	O
</s>
<s>
These	O
devices	O
would	O
be	O
supported	O
by	O
the	O
Windows	B-Operating_System
10	I-Operating_System
"	O
Creators	O
Update	O
"	O
.	O
</s>
<s>
At	O
the	O
Game	O
Developers	O
Conference	O
in	O
2017	O
,	O
Microsoft	O
stated	O
that	O
it	O
intended	O
to	O
support	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
headsets	O
on	O
Xbox	B-Device
One	I-Device
in	O
2018	O
,	O
specifically	O
noting	O
the	O
capabilities	O
of	O
the	O
then-upcoming	O
Xbox	B-Device
One	I-Device
X	O
hardware	O
revision	O
,	O
but	O
the	O
company	O
later	O
stated	O
that	O
it	O
was	O
initially	O
focusing	O
on	O
PC	O
platforms	O
first	O
,	O
and	O
that	O
it	O
wanted	O
to	O
focus	O
on	O
wireless	O
VR	O
solutions	O
for	O
consoles	O
.	O
</s>
<s>
In	O
October	O
2017	O
,	O
Microsoft	O
officially	O
launched	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
and	O
a	O
lineup	O
of	O
third-party	O
headsets	O
for	O
use	O
with	O
the	O
Windows	B-Operating_System
10	I-Operating_System
"	O
Fall	O
Creators	O
Update	O
"	O
(	O
including	O
a	O
launch	O
lineup	O
of	O
headsets	O
from	O
Acer	O
,	O
Dell	O
,	O
HP	O
,	O
and	O
Lenovo	O
,	O
and	O
future	O
products	O
from	O
Asus	O
and	O
Samsung	B-Application
)	O
,	O
officially	O
referred	O
to	O
as	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
immersive	O
headsets	O
.	O
</s>
<s>
Unlike	O
HoloLens	B-General_Concept
,	O
these	O
devices	O
are	O
only	O
compatible	O
with	O
virtual	B-Application
reality	I-Application
software	O
,	O
but	O
the	O
underlying	O
ecosystem	O
is	O
referred	O
to	O
as	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
regardless	O
of	O
experience	O
.	O
</s>
<s>
All	O
Immersive	O
headsets	O
feature	O
integrated	O
motion	B-Operating_System
tracking	I-Operating_System
(	O
eschewing	O
standalone	O
sensors	O
)	O
,	O
and	O
contain	O
cameras	O
that	O
can	O
be	O
used	O
to	O
track	O
handheld	O
motion	B-Device
controller	I-Device
accessories	O
,	O
which	O
may	O
be	O
bundled	O
with	O
the	O
headset	O
,	O
or	O
distributed	O
as	O
optional	O
accessories	O
.	O
</s>
<s>
Immersive	O
headsets	O
are	O
currently	O
compatible	O
with	O
mixed	B-General_Concept
reality	I-General_Concept
software	O
obtained	O
from	O
Microsoft	B-Application
Store	I-Application
,	O
universal	O
apps	O
,	O
and	O
Steam	O
VR-compatible	O
software	O
.	O
</s>
<s>
The	O
ability	O
to	O
run	O
desktop	O
software	O
was	O
added	O
on	O
the	O
Windows	B-Operating_System
10	I-Operating_System
"	O
May	O
2019	O
Update	O
"	O
.	O
</s>
<s>
Microsoft	O
classifies	O
its	O
minimum	O
and	O
recommended	O
system	O
requirements	O
for	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
as	O
"	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
PCs	O
"	O
(	O
60fps	O
)	O
and	O
"	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
Ultra	O
PCs	O
"	O
(	O
90fps	O
)	O
.	O
</s>
<s>
The	O
minimum	O
requirements	O
specify	O
an	O
Intel	O
Core	O
i5-7200U	O
or	O
better	O
for	O
laptops	O
,	O
8GB	O
of	O
RAM	O
,	O
Intel	B-Application
HD	I-Application
Graphics	I-Application
620	O
or	O
better	O
with	O
DirectX	O
12	O
support	O
,	O
USB	O
3.0	O
,	O
HDMI	O
or	O
DisplayPort	B-Protocol
connections	O
,	O
and	O
Bluetooth	B-Protocol
4.0	O
support	O
for	O
controllers	O
;	O
The	O
Verge	O
noted	O
that	O
users	O
"	O
wo	O
n't	O
need	O
a	O
high-end	O
gaming	O
PC	O
"	O
to	O
meet	O
these	O
recommendations	O
.	O
</s>
<s>
*	O
Note	O
:	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
headsets	O
are	O
also	O
compatible	O
with	O
Xbox	B-Device
One	I-Device
Controllers	O
.	O
</s>
<s>
Mixed	B-General_Concept
Reality	I-General_Concept
Portal	O
is	O
a	O
Universal	O
Windows	O
Platform	O
app	O
that	O
serves	O
as	O
a	O
front-end	B-Architecture
for	O
Windows	B-General_Concept
Mixed	I-General_Concept
Reality	I-General_Concept
.	O
</s>
<s>
It	O
features	O
a	O
3D	O
environment	O
which	O
users	O
can	O
explore	O
,	O
and	O
customize	O
with	O
application	O
shortcuts	O
and	O
virtual	B-Application
desktops	I-Application
.	O
</s>
