Updated link

README.md

 # CASAnova on Docker
 
-Runs [CASAnova](https://web.archive.org/web/20070611110850fw_/http://nesa1.uni-siegen.de/softlab/download/CASAnova_Setup.exe), a 2007 Windows building energy simulation tool, via Wine on Ubuntu 24.04 in Docker. The GUI is accessible in a browser via noVNC.
+Runs [CASAnova](https://web.archive.org/web/20070611104714fw_/http://nesa1.uni-siegen.de/softlab/casanova.htm), a 2007 Windows building energy simulation tool, via Wine on Ubuntu 24.04 in Docker. The GUI is accessible in a browser via noVNC.
 
 CASAnova was developed at [Uni Siegen - Fachegebiet Bauphysik & Solarenergie](https://web.archive.org/web/20070212105904/http://nesa1.uni-siegen.de/).