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For detailed instruction of installing Octave-Forge packages is shown at [http://wiki.octave.org/Octave-Forge Octave-Forge]
→Installers for Microsoft Windows: Various minor corrections to the English (commas added, location of adverbs corrected, etc.)
The easiest way to install GNU Octave on Microsoft Windows is using [http://hg.octave.org/mxe-octave/ MXE] builds. For the current 4.2.1 release both 32-bit and 64-bit installers and zip archived packages can be found at [https://ftp.gnu.org/gnu/octave/windows/ ftp.gnu.org/gnu/octave/windows/].
For executable installers the user can simply run the downloaded file and follow the
onscreen installation prompts. It is recommended that the installation path not include spaces or non-ASCII characters. Shortcuts to the program will be automatically created.
For the zip-file archives, the user should extract the file content to a directory on the harddrive (such as C:\Octave). Manual shortcuts can then be created to either the octave.bat or octave.vbs files in the main installation directory.
A selection of pre-built octave-forge packages are prepared for all versions of the official release. If you installed Octave using the executable installer you can confirm the package list by typing the command below
from the Octave command prompt:
>> pkg list
instead installed Octave from the .zip archive, you need to first rebuild the package list on your local machine. (The command above will produce a blank output and packages will be inaccessible before rebuilding.) Do this by typing the following command:
>> pkg rebuild
>> pkg install -forge <package name>
manually install a new or updated package version, the package file can be downloaded from the [https://octave.sourceforge.io/packages.php Octave-Forge website]to the working directory and can be installed using:
>> pkg install package_file_name.tar.gz
''Note that a security related issue in Windows XP currently prevents Octave from
automatically retrieving packages from the website for installation or updates when running under that Operating System, and manual package installation is necessary to update or install new packages.''
== Octave 4.2.1 on cygwin==