<s>
Avant	B-Application
Browser	I-Application
is	O
a	O
discontinued	O
freeware	B-License
web	B-Application
browser	I-Application
from	O
a	O
Chinese	O
programmer	O
named	O
Anderson	O
Che	O
with	O
the	O
browser	B-Protocol
engines	I-Protocol
Trident	B-Application
,	O
Gecko	B-Language
and	O
Webkit	B-Language
the	O
user	O
can	O
switch	O
between	O
.	O
</s>
<s>
It	O
runs	O
on	O
Windows	B-Application
2000	I-Application
and	O
above	O
,	O
including	O
Windows	B-Application
8	I-Application
,	O
Windows	B-Device
8.1	I-Device
and	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
versions	O
6	B-Application
through	O
11	B-Application
are	O
supported	O
.	O
</s>
<s>
Avant	B-Application
Browser	I-Application
was	O
largely	O
inspired	O
by	O
Opera	B-Application
,	O
the	O
first	O
major	O
browser	B-Application
to	O
have	O
a	O
multiple	O
document	O
interface	O
.	O
</s>
<s>
The	O
developer	O
's	O
objective	O
was	O
to	O
wrap	O
a	O
comparable	O
interface	O
around	O
the	O
layout	B-Protocol
engine	I-Protocol
used	O
by	O
Internet	B-Application
Explorer	I-Application
,	O
thereby	O
achieving	O
Opera-like	O
ergonomics	O
without	O
suffering	O
the	O
frequent	O
problems	O
that	O
browser	B-Application
had	O
rendering	O
pages	O
tested	O
only	O
in	O
Internet	B-Application
Explorer	I-Application
.	O
</s>
<s>
Later	O
,	O
Avant	B-Application
's	O
developer	O
,	O
Anderson	O
Che	O
,	O
has	O
concentrated	O
on	O
adding	O
user-requested	O
features	O
,	O
and	O
Avant	B-Application
was	O
among	O
the	O
first	O
browsers	B-Application
to	O
have	O
popup	O
blocking	O
,	O
advertising	O
server	O
blocking	O
,	O
and	O
one-click	O
disabling	O
of	O
potential	O
security	O
vulnerabilities	O
such	O
as	O
ActiveX	B-Application
,	O
Java	B-Language
and	O
JavaScript	B-Language
.	O
</s>
<s>
The	O
Avant	B-Application
Browser	I-Application
's	O
default	O
search	O
engine	O
is	O
a	O
version	O
of	O
the	O
Yahoo	B-Application
!	I-Application
</s>
<s>
Other	O
search	O
engines	O
are	O
available	O
via	O
the	O
address	O
bar	O
's	O
"	O
Quick	O
Search	O
"	O
facility	O
,	O
and	O
instructions	O
on	O
how	O
to	O
change	O
the	O
default	O
to	O
an	O
engine	O
of	O
the	O
user	O
's	O
choice	O
have	O
been	O
posted	O
by	O
the	O
very	O
active	O
Avant	B-Application
Browser	I-Application
.	O
</s>
<s>
The	O
community	O
has	O
also	O
created	O
other	O
tools	O
and	O
extensions	O
for	O
Avant	B-Application
,	O
including	O
registry	O
files	O
which	O
allow	O
it	O
to	O
use	O
the	O
Information	O
Bar	O
and	O
other	O
security	O
enhancements	O
of	O
Windows	O
XP	O
SP2	O
.	O
</s>
<s>
The	O
developer	O
also	O
used	O
to	O
have	O
a	O
sister	O
project	O
known	O
as	O
Orca	O
Browser	B-Application
,	O
an	O
Avant-like	O
shell	O
of	O
Mozilla	B-Operating_System
's	O
Gecko	B-Language
layout	I-Language
engine	I-Language
as	O
used	O
in	O
Firefox	B-Application
3	I-Application
using	O
similar	O
approaches	O
to	O
Flock	B-Protocol
.	O
</s>
<s>
Orca	O
Browser	B-Application
project	O
is	O
now	O
discontinued	O
.	O
</s>
<s>
Gecko	B-Language
layout	I-Language
engine	I-Language
was	O
included	O
in	O
Avant	B-Application
Browser	I-Application
version	O
2012	O
Ultimate	O
edition	O
,	O
alongside	O
the	O
traditional	O
Trident	B-Application
layout	I-Application
engine	I-Application
.	O
</s>
<s>
Avant	B-Application
was	O
one	O
of	O
the	O
twelve	O
browsers	B-Application
offered	O
to	O
European	O
Economic	O
Area	O
users	O
of	O
Microsoft	B-Application
Windows	I-Application
in	O
2010	O
.	O
</s>
<s>
Avant	B-Application
Browser	I-Application
11	B-Application
(	O
build	O
130	O
released	O
on	O
January	O
26	O
,	O
2011	O
)	O
includes	O
support	O
for	O
many	O
toolbars	O
that	O
are	O
compatible	O
with	O
Internet	B-Application
Explorer	I-Application
,	O
a	O
facility	O
for	O
users	O
to	O
create	O
their	O
own	O
scripted	O
toolbar	O
buttons	O
,	O
and	O
a	O
password	O
and	O
form-filling	O
wizard	O
.	O
</s>
<s>
A	O
native	O
bookmark	O
system	O
was	O
also	O
added	O
n	O
place	O
of	O
sharing	O
Internet	B-Application
Explorer	I-Application
's	O
Favorites	O
.	O
</s>
<s>
These	O
bookmarks	O
may	O
be	O
stored	O
online	O
with	O
feeds	B-General_Concept
,	O
autofills	B-Protocol
,	O
and	O
browser	B-Application
settings	O
.	O
</s>
<s>
This	O
allows	O
the	O
user	O
to	O
synchronize	O
any	O
number	O
of	O
Avant	B-Application
installations	O
on	O
different	O
computers	O
.	O
</s>
<s>
Avant	B-Application
can	O
still	O
share	O
Internet	B-Application
Explorer	I-Application
's	O
Favorites	O
.	O
</s>
<s>
Another	O
innovation	O
is	O
that	O
Avant	B-Application
may	O
now	O
be	O
run	O
from	O
a	O
USB	O
flash	O
drive	O
(	O
or	O
other	O
portable	O
storage	O
device	O
such	O
as	O
an	O
MP3	B-Application
player	O
)	O
without	O
needing	O
to	O
be	O
installed	O
.	O
</s>
<s>
In	O
conjunction	O
with	O
Avant	B-Application
's	O
session	O
saving	O
facility	O
,	O
this	O
allows	O
the	O
user	O
to	O
halt	O
a	O
browsing	O
session	O
on	O
one	O
PC	O
,	O
move	O
to	O
another	O
and	O
resume	O
viewing	O
the	O
same	O
web	O
pages	O
.	O
</s>
<s>
Avant	B-Application
Browser	I-Application
2012	O
Ultimate	O
edition	O
(	O
build	O
3	O
released	O
on	O
October	O
25	O
,	O
2011	O
)	O
added	O
the	O
Gecko	B-Language
layout	I-Language
engine	I-Language
(	O
the	O
rendering	O
engine	O
used	O
by	O
Mozilla	B-Application
Firefox	I-Application
)	O
,	O
and	O
the	O
most	O
recent	O
release	O
(	O
build	O
168	O
released	O
on	O
April	O
6	B-Application
,	O
2012	O
)	O
also	O
included	O
the	O
WebKit	B-Language
layout	I-Language
engine	I-Language
(	O
the	O
rendering	O
engine	O
used	O
by	O
Safari	B-Application
)	O
,	O
making	O
Avant	B-Application
Browser	I-Application
a	O
three-engine	O
browser	B-Application
.	O
</s>
<s>
Layout	B-Protocol
engine	I-Protocol
is	O
selectable	O
by	O
the	O
user	O
.	O
</s>
<s>
There	O
is	O
also	O
a	O
lite	O
edition	O
which	O
contains	O
only	O
the	O
Trident	B-Application
layout	I-Application
engine	I-Application
.	O
</s>
<s>
Avant	B-Application
allows	O
users	O
to	O
synchronize	O
their	O
bookmark	O
,	O
feed	O
and	O
setting	O
storage	O
.	O
</s>
<s>
It	O
uses	O
a	O
low	O
amount	O
of	O
resources	O
due	O
to	O
all	O
pages	O
running	O
in	O
a	O
single	O
process	O
and	O
is	O
compatible	O
with	O
many	O
Internet	B-Application
Explorer	I-Application
toolbars	O
and	O
add-ins	O
,	O
including	O
Google	O
toolbar	O
.	O
</s>
<s>
Further	O
it	O
has	O
an	O
RSS	B-Application
reader	I-Application
,	O
21	O
themes	O
to	O
change	O
its	O
appearance	O
,	O
a	O
translation	O
feature	O
,	O
supports	O
proxy	O
servers	O
,	O
white	O
and	O
blacklists	O
for	O
domains	O
such	O
as	O
advertisement	O
servers	O
and	O
an	O
option	O
to	O
quickly	O
block	O
unwanted	O
page	O
elements	O
.	O
</s>
