Emacs is available for Linux, MacOSX and Windows. The Spacemacs Readme suggested ways to install Emacs
Minimum Emacs Version - 25.1
This guide used the
develop version of Spacemacs which requires Emacs 25.1 or greater
Here is a summary of the Emacs installation process for several operating system.
Emacs is available via the Ubuntu software manager. Install the package called emacs25. Do not install the emacs package as its an earlier version of Emacs that is no longer supported.
sudo apt-get install emacs25
Ubuntu Personal Package Archives
If the version of Emacs is not available in your version of Ubuntu, add the Personal Package Archive from the Ubuntu Emacs Team
For a self-contained install, download Emacs 25 from the Emacs for OSX website.
Alternative, if you use Homebrew, run the following command:
brew cask install emacs
Windows (version 7 or 10)
Download Emacs25 from the GNU repository and extract the zip file to
Add the Emacs directory to the PATH variable in your user account environment variables.
To start Emacs run the command
runemacs.exe. You can also pin this to the start menu or task bar.
Access to common Unix tools
Command line tools, such as
diff, are used by Emacs. To have these command line tools available in Windows, install Emacs as above but then run emacs from a Unix shell such as GitBash.
Install Emacs (64bits build) with the following:
pacman -S mingw-w64-x86_64-emacs