Several of you asked for international versions of SharePoint Foundation 2013 with SP1 (also referred to as "slipstream" installs) which is required to install SharePoint Foundation 2013 on Windows Server 2012 R2.
The US-english version is available for download from the following page but the international versions are not yet listed:
The reason for the delay is that the download center page has to be localized to the relevant language of the product and with 20+ languages this takes some time. The packages themselves are already available - only the download links are not published.
If you need to get hands on the installation bits right now you can use the links below:
Be sure to install the following mandatory fix after installing SharePoint Foundation 2013 to avoid a known problem with the search controls: