You can checkout the latest source code from the repository. See http://github.com/boriel/zxbasic for instructions on how to clone the repository (git).
You can contribute to ZX BASIC by reporting possible bugs or improvement suggestions at the forum or in social media.
Click on the icon to download latest stable version (1.11.1):
Windows .exe zip package. No install needed, just uncompress it in a directory of your choice.
Windows, Linux, Mac zip package, with python scripts. Requires python installed in your system.
(Windows, Linux, Mac) tar.gz package, with python scripts. Requires python installed in your system.
To check out what's new on every version, have a look at the Changelog file.
This is the official ZX Basic archive. If you require an older ZX BASIC version, please have a look at the archive.