You can download it from http://ardownload.adobe.com/pub/adobe/reader/win/11.x/11.0.09/ja_JP/AdbeRdr11009_ja_JP.exe (Japanese version 11.0.09).
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You can download it from http://ardownload.adobe.com/pub/adobe/reader/win/11.x/11.0.09/ja_JP/AdbeRdr11009_ja_JP.exe (Japanese version 11.0.09).