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# Install components silently

A silent installation is an installation that is performed without the need for user interaction. You use the command line to run the setup files. For details, see Installation command line options.

Note: Use standard MSI command line options to define installation properties. For example, use INSTALLDIR to specify an alternate installation folder.

To perform a silent installation:

1. Run one of the following commands from the command line:

   - To install VuGen and OneLG:

     `<Installation_package>\Standalone Applications\SetupVuGen.exe -s -sp"/s"`
     `<Installation_package>\Standalone Applications\SetupOneLG.exe -s -sp"/s"`

   - To install additional components:

     `<Installation_package>\Additional Components\<setup_file_path> /s /a /s`

2. If you are installing an upgrade, run the following command:

   msiexec.exe /update <full path to msp file> [/qn] [/l*vx <full path to log file>]

   The msp files are included in the installation package.

## See also

- Install VuGen
- Prepare for installation

https://admhelp.microfocus.com VuGen,Professional Performance Engineering,Performance Engineering for Developers 8942
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