How can I read 64-bit registry key from a 32-bit process?

Question

I\'ve been using the value of key MachineGuid from HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Cryptography to uniquely identify hosts, but from 32-b

Answer 1

Call reg.exe using this path C:\Windows\sysnative\reg.exe For example:

C:\Windows\sysnative\reg.exe QUERY "HKLM\SOFTWARE\JavaSoft\JDK" /v CurrentVersion

source: https://stackoverflow.com/a/25103599