Game Development Reference
In-Depth Information
To get started, go to www.unity3d.com/unity/download .
With the account created, you can download Unity for Windows or Mac. The download site will
automatically offer the version that matches the platform you are currently on.
Installing
This topic was written using Unity 4.5. Because Unity regularly makes changes that can affect your
projects, you may wish to use the 4.5 version even if the current version is newer. If you prefer,
you can install multiple versions of Unity on the same machine, providing you name the folders
accordingly (e.g., Unity 4.5, Unity 4.6). You may only run one instance of Unity at a time, regardless
of the version. If you choose to have multiple versions, you will be required to start Unity from the
desired version rather than from the desktop icon or the project itself, as the previously run version
will open by default.
If that sounds like too much trouble, you can always check the topic's thread on the Unity Teaching
forum, http://forum.unity3d.com/forums/23-Teaching , where both errata and version-change
solutions will be posted and updated as necessary. A search for the topic's title will help you find
its thread.
1.
Install Unity, following the prompts, including the sample project.
On a Windows machine, it will be installed in the Program Files x86 folder. Upon the release of Unity 5.0,
when it will be fully 64 bit, it should install itself in the regular Program Files folder. The sample project
will be installed in Documents ➤ Public Documents ➤ Unity Projects. On a Mac, you will find it in
/Users/Shared/Unity.
At this point, you should now see the Unity icon on your desktop (Figure 1-1 ).
Figure 1-1. The Unity application icon on the desktop
2.
Click the icon to open Unity.
If you downloaded the sample project, Unity will open with it already loaded (Figure 1-2 ).
 
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