安装HFSS13可能会出现错误“Failed to check out license 'hfss_desktop'”。
如果严格按照下面来安装不会有问题：
0. uninstall previous versions, if any
1. extract & install, autorun.exe -> INSTALL HFSS. when license setup step, choose "... new license file" and select Cracklicense.lic, do not install dongle driver
2. copy Cracklicense.lic to HFSS installation path Ansoft/admin dir（很重要一定要拷贝到Ansoft/admin dir）
3. copy CrackAnsoft2008fix.exe and Crackhfss2008fix.exe to Ansoft/HFSS12 dir（很重要一定要拷贝到安装目录下）
4. then run Ansoft2008fix.exe and hfss2008fix.exe, patch all files
5. enjoy