With April 2019 being major release month for Microsoft Dynamics 365 Business Central we've received a lot questions regarding how to know which version of Business Central you are on. Here's how to check:
Step 1: Log into your business central environment and select the global search icon in the upper right hand corner and type in System Information.
Step 2: Select System Information
Step 3: You should see your current version number and when it was created.