Sini uses a standard Windows C: command for silent install and uninstall. 

 If you wish to deploy the installation of the installers across a network with a silent switch, you MUST use an uppercase or capital “S”.

Silent Install and Uninstall

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Release v1.25.2

Release v1.25.1

Release v1.25.0

Release v1.24.3

Release v1.24.2

Release v1.24.1

Release v1.24.0

Release v1.23.1

Release v1.23.0

Release v1.22.1

Release v1.22.0

Release v1.21.2

Release v1.21.1

Release v1.21.0

Current versions

Release v1.13.1

Release v1.13.0

Release v1.12.3

Release v1.12.2

Release v1.12.1

Release v1.12.0

Release v1.11.3

Release v1.11.2

Release v1.11

Release v1.10

Release v1.09

Release v1.08

Release v1.07

Release v1.06

Release v1.05

Release v1.04

Release v1.03

Release v1.02

Release v1.01

Release v1.0

Release v0.77

Release v.0.76

Release v0.75

Release v0.54

Release v0.53

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Importing a BIM/CAD file and preparing it for 3ds Max

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SiNi Help Documentation

Silent Install and Uninstall

Silent installation?