The fresh installation is done to a new machine
1) Request a new license
Send an email to info@mail-and-deploy.com with the name of the new machine
2) Install M&D with the same version as the source server
System Requirements
https://help.mail-and-deploy.com/docs/requirements
Mail & Deploy Version 3 Releases
Installation guide
https://community.mail-and-deploy.com/portal/en/kb/articles/installation
3) Stop M&D Service
4) Copy the backup repository to C:\Mail & Deploy folder\Data\Repository.db
5) Start M&D Service
6) Active the license you received in step 1
https://community.mail-and-deploy.com/portal/en/kb/articles/how-to-replace-the-license-in-version-3
7) Update the following settings in Settings -> Server with the information of the new server