I don't see an Installer for "High Sierra". When I tried opening the "Sierra" zip it said... *“Smart Card Services 2.1.2 [OSX 10.12]” is damaged and can’t be opened. You should move it to the Trash."* Help! Wilson *Jason "Wilson" Lollar* Deputy Detco, Nellis AFB Draken International, Inc. Cell: (757) 869-2697 Email: jlollar@drakenintl.com 3721 Freedom Circle BLDG 1770A, Rm 131A Nellis AFB, NV 89191