在卸载5.0之前把npcc4.exe,
NPCGraph.exe,
help
pcc4_chi-sc.chm,
helpGraph_Chi－Sc.chm,
LangNPCC4_chi_sc.NLR,
LangNPCG_chi-sc.NLR
备份好;然后在卸载5.0,重新安装5.1,安装完成后
（1）将npcc4.exe NPCGraph.exe拷贝到安装目录下；
（2）将npcc4_chi-sc.chm Graph_Chi－Sc.chm拷贝到安装目录下
的Help目录中；
（3）将NPCC4_chi_sc.NLR NPCG_chi-sc.NLR拷贝到安装目录下的
Lang目录中；
（4）将注册文件Composer.reg Graphics.reg添加进注册表中。
Composer.reg 文件
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Composer 4.0]
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Composer 4.0Language]
"Current Language File"="NPCC4_chi-sc.NLR"
"Current Help File"="NPCC4_chi-sc.chm"
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Composer 4.0Settings]
"GeneralVisible"=dword:00000001
Graphics.reg文件
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Graphics 3.0]
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Graphics 3.0Language]
"Current language file"="NPCG_chi-sc.NLR"
"Current help file"="GRAPH_chi-sc.chm"
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Graphics 3.0NPCGraph]
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Graphics 3.0NPCGraphNPCGraph-Bar0]
"BarID"=dword:0000e801
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Graphics 3.0NPCGraphNPCGraph-Summary]
"Bars"=dword:00000001
"ScreenCX"=dword:00000320
"ScreenCY"=dword:00000258
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Graphics 3.0NPCGraphSettings]
[HKEY_CURRENT_USERSoftwareNokiaNokia PC Graphics 3.0NPCGraphWindow size]
"Rect"="0010 0010 0640 0480"
"icon"=dword:00000000
"max"=dword:00000000