View source for Downloading and Installing VisIt

= Where to get VisIt =
[https://wci.llnl.gov/simulation/computer-codes/visit/executables Download VisIt Executables]

= How to install VisIt =
== Installing on UNIX and Mac ==
* visit-install syntax
* picking a network configuration
* picking a default bank
== Installing on Windows ==
Using the installation wizard is pretty straightforward, just follow the instructions on each screen until done.

Here are a couple of screenshots of the Components page, showing how to remove some of the database readers to possibly improve startup performance.

[[Image:DB_Screen2_smaller.jpg]]
[[Image:DB_Screen3_smaller.jpg]]

With VisIt 2.3.0 and newer, you can run the installer from a command prompt, and pass it certain parameters to override defaults and to run in silent mode.  Available options are as follows: 

<pre>
-ALLUSERS                   Install for all users. (Must be an admin. On Vista and Win 7, you will be prompted to 
                            elevate privileges, even in silent mode, unless you RunAs admin).
                            Default: install for current user

-SITE <llnl_open | llnl_closed | anl | asu | awe | clemson | lanl | lanl_closed | lsu | ncar | ncsa | nersc | nics |
       ornl | ohio | princeton | sandia | sandia_closed | slac | eth_zurich | cscs | umich | utah>
                            Specifies host profiles to be installed
                            Default: None

-PB <parallel bank>         Specifies parallel bank (FOR LLNL host-profiles)
                            Default: bdivp

-DB <database reader>       Specifies a default database reader for VisIt. (eg Silo, FLASH, etc).
                            Default: NONE.   

-DEV                        Install plugin development tools.
                            Default: no plugin dev tools.

-LIBSIM                     Install libsim tools.
                            Default: no libsim tools.

-AssociatePython            Associate python files (.py) with VisIt.
                            Default: don't set up association.

-AssociateCurves            Associate curve files (.curve, .ultra, .ult, .u) 
                            with VisIt.
                            Default: don't set up association.

/S                          Make install silent.

/D <installationdir>        Change install directory to <installationdir>.  
                            Default is %PROGRAM FILES% for ALL USERS and user's AppData folder for single user.  
                            MUST BE THE LAST PARAMETER!
</pre>

= What to do if you run into trouble =
== VisIt hangs at startup ==
Networking problems ...
== VisIt runs but does not draw an image ==
OpenGL driver not configured properly (usually on Linux)

[[Category: User Documentation]]
[[Category: Development on Windows]]