Dynamics 365 Server (on-premises) v9 is here! https://www.microsoft.com/en-us/download/details.aspx?id=57478
How to Install and View Organization Insights for Dynamics 365 https://www.powerobjects.com/2018/03/12/how-install-view-organization-insights-dynamics-365/
Password expiration policy for your users in Dynamics 365 https://support.office.com/en-us/article/set-the-password-expiration-policy-for-your-organization-0f54736f-eb22-414c-8273-498a0918678f
Set the password expiration policy for your organization Office 365 https://support.office.com/en-us/article/Set-the-password-expiration-policy-for-your-organization-0f54736f-eb22-414c-8273-498a0918678f
Create users and assign Microsoft Dynamics 365 (online) security roles https://technet.microsoft.com/en-us/library/jj191623.aspx#BKMK_addlicense
Manage storage for Microsoft Dynamics 365 (online) https://technet.microsoft.com/en-us/library/jj191611.aspx
Manage Dynamics 365 (online) Sandbox instances https://technet.microsoft.com/en-us/library/dn659833.aspx