1) copy rmcl.dll with replacement to the C:\Aldec\Active-HDL-11.1-x64\BIN folder 2) Copy lisence.dat to C:\Aldec\Active-HDL-11.1-x64\DAT folder 3) Set environment ALDEC_LICENSE_FILE = C:/Aldec/Active-HDL-11.1-x64/Dat/license.dat 4) In the command line, enter "getmac" and get the mac address, copy it (removing the symbols ---) and replace HOSTID = ANY_ID with this parameter in the license file everywhere. Example HOSTID=00234D622778