## Instructions for Mac OS X
<div class="alert alert-info">
Don't have these files yet? Go back to the <a href="/downloads">Downloads page</a>.
</div>
1. **Install VirtualBox**
Double-click the .dmg ("disk image") file to open it, then
double-click the installer file. After the installer completes, eject
the disk image.
2. **Install Vagrant**
Double-click the .dmg ("disk image") file to open it, then
double-click the installer file. After the installer completes,
eject the disk image.
3. **Install Sublime Text**
Double-click the .dmg ("disk image") file to open it, then drag the
Sublime Text app to your Applications folder. Then eject the disk
image.
## Troubleshooting
* [Virtualbox fails to install with message "The installation failed"](https://apple.stackexchange.com/a/301305)
Still need help? Find a TA!
## Next Step
Once you've installed these programs, continue to [Setting Up Your Virtual
Machine](/installfest/set_up_virtual_machine).