To create personal views:
- Select the Tab (i.e. Deals)
- Select the existing view that most matches what you need (example: Open Deals)
- Click on the Gear icon
- Re-name your view (example: Deals Est. Close this Quarter)
- Add filters (example: Est. Close Date = This Quarter)
- You can add 1 or more filters to get a finite view of your data
Also, please see the following video: How to Create the Own View.