Replace VK6HTVZ6T7KJ with a valid serial number.
Are you managing a for an organization, or are you trying to activate a personal subscription ? Acrobat Reader DC Command line Options - Adobe Community how to activate adobe acrobat dc using cmd top
Acrobat.exe -activate:adobe.com -serial:VK6HTVZ6T7KJ Replace VK6HTVZ6T7KJ with a valid serial number