# App/Setup/Installation/Self extracting exe

From XOWA: the free, open-source, offline wiki application

XOWA currently uses a self-extracting exe for its windows upgrade package. This page documents the steps to generate the package.

- Download 7-zip from http://www.7-zip.org/
- Download the 7-zip sfx module from http://7zsfx.info/en/ XOWA uses version 1.5 (build 2712) from http://7zsfx.info/files/7zsd_150_2712.7z
- Generate the 7-zip .7z archive (xowa_upgrade.7z)
- Create a UTF-8 text file (config.txt) and enter the following

    ;!@Install@!UTF-8!
    Title="XOWA"
    InstallPath="."
    OverwriteMode="0"
    ;!@InstallEnd@!

- Run the following command to merge the two files into an exe:

`copy /b 7zsd.sfx + config.txt + xowa_upgrade.7z xowa_upgrade.exe`

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