Hi,

I did not understand, what the OS is, but :

- There's no regular way to read the Windows registry from DOS (a
least I never heard of it), if your OS is Windows
- There's no windows like registry in DOS 4.X or 5.X or 6.X, whic
collects information about installed software.

The only idea may be to search through the possible paths with hand o
a batch file

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