From what I read here based on remarks by ESRI employees, the next version will be 10.2.1 and should come out somewhere at the end of this, or beginning of next year. But only ESRI can tell, and answer if it will support 8.1 as well. You may need to wait for 10.2.2... See this post in another thread for a remark by an ESRI employee. And this thread may also have some relevance for you, although it is about ArcGIS for Desktop, not ArcGIS for Server. Since it seems you already successfully installed some stuff, it is probably unrelated. Anyway: Problem with installing arcgis 10.2 to windows 8.1 9600 Thank you very much for your reply
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