Quick Launch Introduction Compiler Documentation Update Websites | Update MakeNSISW allows you to check whether a new release is available. Choose NSIS Update in the Help menu to check for a newer version. The releases have been tested and provide new features and fixes. A nightly build of latest development files is also available on the website. Using the development files you can try the latest cutting-edge features and fixes. These files have not been tested so they should not be used in production environments. See the Change Log for the latest changes in the development files.