Windows

You have two possibilities, download the full installer which includes all official content in one file, or download the installers separately. Download folder: https://sourceforge.net/projects/speed-dreams/files/

Complete Installer: speed-dreams-2.3.0-r8786-win32-setup.exe:

Among the 5 binary packages (speed-dreams-xxxx-2.3.0-r8786-win32-setup.exe), only the ‘base’ one is mandatory as it contains the main components of the game.
It is also a kind of ‘demo’ package, as it includes a track (Espie) and a car category (the Supercars), plus the corresponding AI drivers, so you can test Speed Dreams quickly.
You can install them in any order, either by running them directly, or by re-running the ‘base’ installer and ‘Add/Re-install Components’.

Mac

There are two installers for OS X, you will only need one of them.

• speed-dreams-2.3.0-base--macos.dmg: This is a kind of ‘demo’ package, as it also includes 1 track (Espie) and 1 set of cars (the Supercars), plus the corresponding AI drivers. This way, you can quickly try out Speed Dreams.
• speed-dreams-2.3.0--macos.dmg This is the complete game, including all the contents mentioned above.

Not available for M1 and M2 at the moment.

Linux

Flatpak

The official package is available at FlatHub

AppImage

You can download the official AppImage version from Speed-Dreams-2.3.0-x86_64.AppImage.

Just download it, add the permission to execute it, double click and it's done!

Xtradeb PPA

If you're using Ubuntu or a derivative distribution, you can install the game
using the Xtradeb.net PPA. Follow this link to find out how to install it.

Source Code:

Go to https://sourceforge.net/projects/speed-dreams/files/, download and extract the tarballs:

• speed-dreams-src-base-2.3.0-r8786.tar.xz
• speed-dreams-src-hq-cars-and-tracks-2.3.0-r8786.tar.xz
• speed-dreams-src-more-hq-cars-and-tracks-2.3.0-r8786.tar.xz
• speed-dreams-src-wip-cars-and-tracks-2.3.0-r8786.tar.xz
• speed-dreams-src-unmaintained-2.3.0-r8786.tar.xz

Follow INSTALL.txt for build instructions.