How do I install Steam?
First and foremost, in order to download your games, you will need to install the Steam client on your computer. It's free.
1) Visit the Steam website.
2) Allow the Steam installer to download by clicking the "Download Steam" button.
3) Once the download is complete, launch the installer and follow the on-screen instructions to install the Steam client on your computer.
4) Launch the Steam client from the Windows Start Menu or by clicking on the shortcut icon on your desktop and you will be prompted to sign in or create a new Steam account.
If you don't have a Steam account and need assistance to create one, please refer to this guide.