我的电脑C盘只有145MB怎么办啊？

把下面这段代码复制到记事本中，然后把扩展名改为bat，双击打开就行啦，代码如下：
@ ECHO OFF
@ ECHO.
@ ECHO.
@ ECHO --------------------------------------------------------------
@ ECHO
@ ECHO 欢 迎 使 用
@ ECHO
@ ECHO --------------------------------------------------------------
PAUSE
reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /va /f
reg delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /va /f
reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v ctfmon.exe /d C:\WINDOWS\system32\ctfmon.exe
reg deletace "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\MSConfig\startupreg" /f

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\MSConfig\startupreg\IMJPMIG8.1"
reg add "HKEY_LOCAL_MACHINE\SO