1. If you don't have the extension installed do it from the following link: https://chrome.google.com/webstore/detail/mz-chrome-match-viewer-an/dkmhhddfoojmodcjegnnnjamdbmpcnmb).
2. Choose a team match that you want to clone their tactics.
3. View the match with the extension (click on the orange ball icon on the right-top corner in Chrome and then click on the Go to View the Match in the popup that opens below the ball icon. Now, you can see the match window.
4. You do not need to see the game, but if you want to do it, simply click Download and View.
5. Go to the tab Players, then select the team to clone.

6. Now go to ManagerZone tactic editor page and select the destination tactic. You must take in account that you 11 players must be in the field. Then click Import / Export tactic.

7. Click the Export button. You will see in the text box something begining like:
<?xml version="1.0" ?>
8. In the text box do right button Select All and then Copy.

9. Return to the Players tab of the extension. In the text box (where you can read "Paste your current XML exported tactic here ..." do right button Paste. And then do click on the button Clone Tactic (XML).

10. Now you can read a message: “The tactic to Import was copied to the Clipboard!”.
11. Return to the ManagerZone Tactics page. Delete the content of the text box and do right button Paste. Now click Import and in few seconds you can see your players at the same positions of the cloned tactic.

12. Finally, check if the players are in the right position and intenchange them if it's necessary and then click Save only this Tactic. The initial tactic was cloned. You can see that the Tactics, Style and Aggrassion field also be cloned.
13. Enjoy!