Copy it into your mIRC remote. Type /sysstatus You will then see your system status. Don't forget to copy file moo.dll into your mIRC directory.

alias sysstatus {
  /msg $active 4*** 7System Status: $dll(moo.dll,osinfo,_) $+  2 RAM: 12  $+ $dll(moo.dll,meminfo,_) $+ 2 Graphics Card: 12 $+ $dll(moo.dll,gfxinfo,_) $+ 2 Screen Resolution: 12  $+ $window(-1).w $+ x $+ $window(-1).h $+  2 CPU Speed: 12  $+ $dll(moo.dll,cpuinfo,_) $+  
  /msg $active 2Free HDD Space: 12 $+ $dll(moo.dll,diskcapacity,_) $+ 2 DialUp Connection: 12  $+ $dll(moo.dll,connection,_) $+   2 Network Connection: 12  $+ $dll(moo.dll,interfaceinfo,_) $+  
  /msg $active 2Computer Uptime: 12  $+ $replace($duration($int($calc($ticks / 1000))),wks,w,wk,w,days,d,day,d,hrs,h,hr,h,mins,m,min,m,secs,s,sec,s) $+  7Time & Date:1 $asctime(hh:nn:ss TT  dddd dd/mm/yyyy)
}