The TAM stencils for Visio 2002 and newer are a branch of the FMC stencils (Version 2.1.1) to create diagrams following the Technical Architecture Modeling Standard (TAM) defined by SAP. This stencil set only covers diagrams and elements of the conceptual level, including
The stencil set allows the creation of good-looking, visually balanced diagrams to be used in documents and presentations about conceptual architecture of systems. Especially the UML-related stencils cannot replace the UML stencils of Visio Professional.
Just unzip the files in a folder of your choice and enter this path in Visio (Menu Tools -> Options -> Advanced -> File Paths - for Templates and Stencils)