Let’s imagine a scenario where you’re playing with a random teammate in a team, and you really like their crosshair. You like it so much that you want the same settings for yourself. What should you do in this situation? It’s simple! Press the TAB button and click on the nickname of the respective player. In the new window, click on “Copy Crosshair” as shown in the screenshot below.
After this, a notification will appear asking: “Replace current crosshair?” Click “YES” and enjoy your new crosshair!