How to set pdf architect 6 as default with command line

How would i go about setting pdf architect 6 for default with command line?

Hi @ProZaytony
I'm not 100% sure if Windows still allows you to set the default software via command line but you could try
"architect.exe --associate" or "architect.exe --register"

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get the full list with "architect.exe --help"

Do i do try this within the install dir?

Correct.
Mine is located at "D:\Program Files\PDF Architect 6"

Question.

when i want to updated to the latest version,

How would i go about doing so?

On the command line?
try "architect.exe --update" or one of the other update commands:
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