<s>
WinDirStat	B-Application
is	O
a	O
free	B-License
and	I-License
open-source	I-License
graphical	O
disk	O
usage	O
analyzer	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
It	O
presents	O
a	O
sub-tree	O
view	O
with	O
disk-use	O
percentage	O
alongside	O
a	O
usage-sorted	O
list	O
of	O
file	O
extensions	O
that	O
is	O
interactively	O
integrated	O
with	O
a	O
colorful	O
graphical	O
display	O
(	O
a	O
treemap	B-Application
)	O
.	O
</s>
<s>
Created	O
as	O
an	O
open-source	O
project	O
released	O
under	O
the	O
GNU	B-License
GPL	I-License
,	O
it	O
was	O
developed	O
using	O
Visual	B-Application
C++	I-Application
/MFC	O
7.0	O
and	O
distributed	O
using	O
SourceForge	B-Application
.	O
</s>
<s>
WinDirStat	B-Application
has	O
been	O
downloaded	O
more	O
than	O
9.2	O
million	O
times	O
from	O
the	O
official	O
source	O
since	O
the	O
original	O
release	O
in	O
October	O
2003	O
.	O
</s>
<s>
As	O
of	O
July	O
2014	O
,	O
it	O
was	O
the	O
second	O
most	O
downloaded	O
"	O
Filesystems	O
"	O
software	O
on	O
SourceForge	B-Application
,	O
with	O
more	O
than	O
13,000	O
downloads	O
per	O
week	O
.	O
</s>
<s>
Source	O
code	O
is	O
provided	O
for	O
all	O
released	O
versions	O
on	O
the	O
SourceForge	B-Application
page	O
in	O
ZIP	B-General_Concept
format	O
.	O
</s>
<s>
WinDirStat	B-Application
is	O
developed	O
via	O
Mercurial	B-Protocol
revision	O
control	O
.	O
</s>
<s>
1.0.0	O
README	O
states	O
:	O
Design	O
and	O
many	O
details	O
are	O
based	O
on	O
KDirStat	O
(	O
kdirstat.sourceforge.net	O
)	O
.	O
</s>
<s>
WinDirStat	B-Application
is	O
"	O
a	O
KDirStat	O
re-programmed	O
for	O
MS	B-Application
Windows	I-Application
"	O
.	O
</s>
<s>
FossHub	O
(	O
official	O
download	O
mirror	O
of	O
WinDirStat	B-Application
)	O
reported	O
6,912,000	O
downloads	O
in	O
January	O
2019	O
,	O
being	O
the	O
most	O
downloaded	O
software	O
from	O
"	O
Disk	O
Analysers	O
"	O
category.	O
"	O
</s>
<s>
Steve	O
Bass	O
of	O
PC	O
World	O
provided	O
a	O
brief	O
review	O
of	O
the	O
1.1.2	O
release	O
of	O
WinDirStat	B-Application
,	O
summarizing	O
its	O
usefulness	O
:	O
"	O
Windirstat	B-Application
is	O
 [ a ] 	O
colorful	O
and	O
nifty	O
tool	O
to	O
check	O
the	O
makeup	O
of	O
your	O
hard	O
drive	O
--	O
especially	O
if	O
you	O
're	O
looking	O
for	O
immense	O
files	O
.	O
</s>
<s>
It	O
scans	O
your	O
drive	O
and	O
produces	O
a	O
treemap	B-Application
that	O
shows	O
each	O
file	O
as	O
a	O
colored	O
rectangle	O
that	O
's	O
proportional	O
to	O
the	O
file	O
's	O
size	O
...	O
"	O
</s>
<s>
In	O
2006	O
,	O
WinDirStat	B-Application
was	O
"	O
Download	O
of	O
the	O
day	O
"	O
on	O
Lifehacker	O
.	O
</s>
<s>
CNET	O
reviewed	O
the	O
most	O
recent	O
release	O
of	O
WinDirStat	B-Application
and	O
gave	O
it	O
5	O
of	O
5	O
stars	O
.	O
</s>
<s>
It	O
called	O
WinDirStat	B-Application
a	O
"	O
great	O
piece	O
of	O
freeware	O
"	O
and	O
noted	O
:	O
"	O
It	O
's	O
one	O
of	O
those	O
tools	O
that	O
you	O
did	O
n't	O
know	O
you	O
needed	O
until	O
you	O
started	O
using	O
it	O
,	O
but	O
once	O
installed	O
,	O
it	O
's	O
hard	O
to	O
imagine	O
life	O
without	O
it	O
...	O
"	O
</s>
<s>
Gizmo	O
's	O
Freeware	O
directory	O
featured	O
WinDirStat	B-Application
in	O
a	O
January	O
2010	O
list	O
of	O
best	O
free	O
disk	O
analysis	O
software	O
with	O
a	O
4	O
of	O
5	O
stars	O
review	O
,	O
noting	O
:	O
"	O
The	O
open	O
source	O
program	O
WinDirStat	B-Application
is	O
 [ an ] 	O
outstanding	O
program	O
.	O
</s>
<s>
It	O
uses	O
three	O
ways	O
to	O
display	O
the	O
disk	O
usage	O
:	O
a	O
directory	O
list	O
,	O
a	O
file	O
extension	O
list	O
and	O
a	O
rectangular	O
treemap	B-Application
.	O
</s>
<s>
The	O
German	O
computer	O
magazine	O
c't	O
(	O
magazin	O
für	O
computertechnik	O
)	O
published	O
a	O
review	O
of	O
WinDirStat	B-Application
with	O
it	O
bundled	O
in	O
a	O
CD	O
in	O
October	O
2006	O
.	O
</s>
<s>
In	O
2011	O
,	O
Jack	O
Wallen	O
from	O
TechRepublic	O
called	O
WinDirStat	B-Application
:	O
"	O
one	O
of	O
those	O
simple	O
little	O
apps	O
you	O
are	O
going	O
to	O
be	O
very	O
thankful	O
you	O
have	O
when	O
you	O
need	O
it.	O
"	O
</s>
<s>
However	O
,	O
Jack	O
Wallen	O
criticized	O
the	O
documentation	O
,	O
stating	O
:	O
"	O
The	O
biggest	O
issue	O
with	O
WinDirStat	B-Application
is	O
the	O
documentation	O
.	O
</s>
