support@artemisanalytics.xyz
with information about your Windows/Excel versions.
If you get an additional message then check if you have Excel installed and if the version of the installed Excel is minimum 2016.
Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Excel\Options
. To open Registry Editor, type regedit
in Windows Run prompt (Win+R shortcut).ArtemisSheets-AddIn-packedxx.xll
.