Playing on the same settings will allow you to build up muscle memory, allowing you to perform many actions and movements intuitively. You will notice a significant deterioration of your performance once you change the settings. Do not copy settings from Pro-Gamers. The settings provided by them...
The crosshair settings can be accessed via the same menu, which grants an access to the developer console: Settings, Game Parameters, UI Settings. Adjusting your gameplay based on the CS:GO pro settings can help you perform better in your matches. Advanced Crosshair Settings Style The crosshair...