<s>
KDE	B-Operating_System
on	I-Operating_System
Cygwin	I-Operating_System
is	O
the	O
port	O
of	O
K	B-Language
Desktop	I-Language
Environment	I-Language
1	I-Language
,	O
2	B-Language
,	O
and	O
3	B-Language
and	O
the	O
corresponding	O
versions	O
of	O
the	O
Qt	B-Language
toolkit	I-Language
to	O
the	O
Windows	B-Application
Operating	I-Application
System	I-Application
by	O
using	O
Cygwin	B-Language
,	O
a	O
POSIX	O
emulation	B-Application
layer	O
.	O
</s>
<s>
KDE	B-Operating_System
on	I-Operating_System
Cygwin	I-Operating_System
helps	O
Windows	B-Application
computers	I-Application
to	O
run	O
applications	O
originally	O
created	O
for	O
Qt	B-Language
and	O
KDE	O
,	O
by	O
providing	O
the	O
applications	O
with	O
the	O
necessary	O
dependencies	O
in	O
a	O
transparent	O
manner	O
.	O
</s>
<s>
The	O
project	O
is	O
no	O
longer	O
being	O
developed	O
as	O
since	O
2009	O
there	O
exists	O
a	O
natively-compiled	O
version	O
of	O
KDE	B-Language
SC	I-Language
4	I-Language
for	O
Windows	O
.	O
</s>
<s>
After	O
cessation	O
of	O
active	O
development	O
of	O
KDE	B-Operating_System
on	I-Operating_System
Cygwin	I-Operating_System
,	O
the	O
efforts	O
to	O
provide	O
the	O
KDE	O
environment	O
on	O
Windows	O
continue	O
with	O
the	O
KDE	O
Windows	O
Initiative	O
.	O
</s>
<s>
As	O
with	O
many	O
emulation	B-Application
examples	O
,	O
not	O
all	O
the	O
common	O
KDE	O
programs	O
are	O
guaranteed	O
to	O
work	O
unmodified	O
on	O
KDE	B-Operating_System
on	I-Operating_System
Cygwin	I-Operating_System
due	O
to	O
the	O
complex	O
interaction	O
of	O
all	O
the	O
libraries	O
needed	O
.	O
</s>
<s>
The	O
open-source	B-License
nature	O
of	O
KDE	O
and	O
several	O
of	O
the	O
programs	O
running	O
on	O
it	O
,	O
allows	O
some	O
of	O
these	O
shortcomings	O
to	O
be	O
found	O
and	O
circumvented	O
.	O
</s>
<s>
The	O
project	O
has	O
ported	O
various	O
Qt	B-Language
and	O
KDE	O
versions	O
,	O
and	O
are	O
considered	O
of	O
beta	O
quality	O
.	O
</s>
