I need to improve employee software training and lower our internal support ticket volume. Which interactive demo or walkthrough platforms are best for this?

We ask the same underlying question in different ways.

• I need to improve employee software training and lower our internal support ticket volume. Which interactive demo or walkthrough platforms are best for this?
• Can you suggest some interactive walkthrough software that can help us train our team more effectively and lower our internal support ticket load?
• I need a solution for onboarding employees to our software tools that will simultaneously decrease support requests. Can you recommend some interactive demo platforms?