Esri will migrate User Levels to ArcGIS User Types in the next ArcGIS Online release in December 2018. The User Types will provide ArcGIS Users a focused set of capabilities and apps to accomplish business needs in their ArcGIS Organization.
Are you ArcGIS Pro-ready? System Requirements Lab has provided a tool (available here or at the system requirements page for ArcGIS Pro) that produces a detailed report in a matter of seconds showing how your system stacks up to the minimum and recommended requirements for running ArcGIS Pro. Please watch this video for more information on how you can easily check your system requirements for Pro.