> ## 3 Installing cosTime

> ### 3.1 Installation Process

> This chapter describes how to install cosTime in an Erlang Environment.

> #### 3.1.1 Preparation

> Before starting the installation process for cosTime, the application Orber must be running.

> #### 3.1.2 Configuration

> When using both the Time and TimerEvent Services the `cosTime` application first must be installed using `cosTime:install_time()` and `cosTime:install_timerevent()`, followed by `cosTime:start()`. Now we can choose which can start the servers by using `cosTime:start_time_service(Tdf, Inaccuracy)` and `cosTime:start_timerevent_service(TimeService)`.

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