First open the Steam client, click the "Steam" button in the top menu bar, select the "Settings" option, click the "Account" tab in the "Settings" window, and find the "Change Store Country" button in the "Store and Purchase History" column.

Double-click the steam icon in your computer to start the steam client. Click the Help tab in the toolbar above the home page. Select the steam customer service tab in the pop-up drop-down menu. Select my account column in the customer service interface. In the My Account Settings menu, select the Manage Account Details column.

If it exceeds the limit, in addition to the valid personal identity documents, it is necessary to go to the designated foreign exchange bank to handle the relevant certification materials that need to be paid.