我觉得还是为了CF卡的4.8版本而升级的吧，与前几天的参数手册同步，看了一下，S120 G130 S150等等吧，支持CU320-2的装置的最高版本都是4.8了，所以如果买的是最新的CF卡，升级STARTER是必须的，但我觉得不升级STARTER，也可以将CF卡的固件降低啊，没有使用新功能的话，，

Important Notes for STARTER V4.4 SP1   

支持的系统

 The following minimum requirements have to be observed in case of STARTER without existing STEP 7 installation:

·                     Microsoft Internet Explorer V6.0 or higher

32-Bit Operating Systems:

·                     Microsoft Windows XP Professional SP3 (Installation note)

·                     Microsoft Windows 7 Professional SP1

·                     Microsoft Windows 7 Ultimate SP1

·                     Microsoft Windows 7 Enterprise SP1 (Standard Installation)

64-Bit Operating Systems:

·                     Microsoft Windows 7 Professional SP1

·                     Microsoft Windows 7 Ultimate SP1

·                     Microsoft Windows 7 Enterprise SP1 (Standard Installation)

·                     Microsoft Windows Server 2008 R2 

Important Notes for STARTER V4.5 SP1  

支持的系统

The following minimum requirements have to be observed in case of STARTER and DCC without existing STEP 7 installation:

·                     Microsoft Internet Explorer V6.0 or higher

32-Bit Operating Systems:

·                     Microsoft Windows 7 Professional SP1

·                     Microsoft Windows 7 Ultimate SP1

·                     Microsoft Windows 7 Enterprise SP1 (Standard Installation)

64-Bit Operating Systems:

·                     Microsoft Windows 7 Professional SP1

·                     Microsoft Windows 7 Ultimate SP1

·                     Microsoft Windows 7 Enterprise SP1 (Standard Installation)

·                     Microsoft Windows 10 Pro, >= Version 1511

·                     Microsoft Windows 10 Enterprise, >= Version 1511

·                     Microsoft Windows Server 2008 R2 

系统的区别就是4.5不再支持XP了，，而4.5开始支持W10了。。