\chapter{Installing eSim}
\thispagestyle{empty}
\label{chap3}

\section {eSim installation in Ubuntu OS}
\begin{enumerate}
\item Download eSim installer from {\tt http://esim.fossee.in/downloads} to a local directory and unpack it. You can also unpack the  installer through the terminal. Open the terminal and navigate to the directory where the installer is located. Use the following command to unpack: \\
\\
\quad {\tt \$ unzip eSim-2.2.zip}
\item To install eSim and other dependencies run the following command: \\
\\
 \quad {\tt \$ cd eSim-2.2 \newline \$ chmod +x install-eSim.sh \newline \$ ./install-eSim.sh --install}
\item To run eSim from the terminal, type: \\ 
\\
\quad {\tt \$ esim} \\
\\
  or you can double click on {\tt eSim} icon created on Desktop after installation.
\end{enumerate}


\section {eSim installation in Windows OS}
\begin{enumerate}
\item Download \textbf{eSim-2.2\_installer.exe} from  {\tt https://esim.fossee.in/downloads}
\item Disable the antivirus (if any). 
\item If MinGW and/or MSYS is already installed in your machine, then remove it from the PATH environment variable as it may interfere with eSim and might not work as intended.
\item Now, double click on the exe file to start the installation process. If a window appears, click {\tt Yes} to complete the installation.
\item By default eSim will be installed in C drive, under an auto-generated FOSSEE Folder. Note that installation directory can neither be in "Program Files" nor can contain any spaces in its path.
\item \textbf{eSim} icon will be created on desktop. You can double click on the {\tt eSim} icon created on the Desktop after installation.
\end{enumerate}