Puzzles
Web
You can customize your Puzzle settings by navigating to 'Settings' from the bottom-left menu of any Chess.com page. On the Settings page, select 'Gameplay' from the left menu and scroll down to the 'Puzzles' section to customize your preferences.
Each option includes a brief description to help you understand what it does—toggle the settings to match your preferences!
If you want a fresh start you can reset your puzzles history in the 'Training History' section, located just below 'Puzzles.'
Mobile
You can manage your Puzzle settings on the Chess.com mobile app by tapping the gear icon ('Settings') in the top-right corner of your screen.
Check out this article for more information about Puzzles: How do Puzzles work on Chess.com?