FOLLOW THESE CAREFULLY: 1) UNINSTALL ALL PREVIOUS VERSIONS OF ARCGIS 2) INSTALL *JUST* ARCGIS 10.1 FROM THE ISO. CHOOSE TO MANAGE LICENSES LATER WITH ARCGIS ADMINISTRATOR AND CLOSE ALL ARCGIS WINDOWS. VERY VERY IMPORTANT NOTE: !!!DO NOT INSTALL THE LICENSE SERVER FROM THE ISO!!! 2) INSTALL THE LICENSE SERVER THAT IS INCLUDED WITH THE CRACK FOUND HERE: http:/ /thepiratebay.sx/torrent/7652982/crack_keygen_arcgis_10.1 LEAVE THE LICENSE SERVER WINDOW OPEN WHEN IT FINISHES THE INSTALL 3) RUN THE KEYGEN.EXE USE THESE SETTINGS UNDER THE DESKTOP TAB: HOSTID=ANY LICENSES=2048 FEATURE=ARCINFO [*NOT ARC/INFO] VERSION=10.1 STARTS=1/1/2012 EXPIRES: 1/1/2020 CLICK THE ALL BUTTON THEN COPY AND PASTE *ALL* TEXT (INCLUDING THE --- BARS) INT O A TEXT FILE NAMED SERVICE.TXT 4) COPY SERVICE.TXT TO C://Program Files (x86)/ArcGIS/License10.1/bin AND OVERWR ITE THE OLD FILE 5) GO INTO THE LICENSE SERVER ADMINISTRATOR AND CLICK RE-REREAD LICENSES 6) OPEN ARCGIS ADMINISTRATOR AND GOTO THE DESKTOP FOLDER, SELECT ADVANCED (ARCIN FO) CONCURRENT USE. CLICK THE CHANGE BUTTON, TYPE 27000@LOCALHOST THEN OK. CLICK THE AVAILABILITY FOLDER, THEN CLICK REFRESH. THE LICENSES WILL AP PEAR. CLICK APPLY THEN CLICK OK. EXIT ALL WINDOWS. RUN ARCMAP 10.1, AND FROM CUSTOMISE TAB SELECT EXTENSIONS AND CHECK ALL. IT IS SO IMPORTANT TO CLICK "ALL" IN THE STEP WITH KEYGEN. WITH THAT MOVE YOU GE T ALL LICENCES..AND SELECT Arcinfo, NOT ARC/INFO. YOU'LL BE ABLE TO USE ALL EXTENSIONS!! ;)