Hi Farouq,
You may click on the link below to download the latest version of Archive Manager:
www.metalogix.com/.../archive-manager-exchange-edition
Also, please make sure the prerequisites for Metalogix Archive Manager Exchange and/or Files Edition are met.
Archive Manager Exchange Edition:
www.metalogix.com/.../Prerequisites-Archive-Manager-Exchange-Edition.pdf
Archive Manager Files Edition:
www.metalogix.com/.../Prerequisites-Archive-Manager-Files-Edition.pdf
Regards,
Bianca