Open Feather Client
Go to the server list or multiplayer menu
Select the server you want to edit
Open the server settings or edit option
Find the server seed field
Enter the new seed value
Save the changes
Reconnect to the server if needed
Open Feather Client
Go to the server list or multiplayer menu
Select the server you want to edit
Open the server settings or edit option
Find the server seed field
Enter the new seed value
Save the changes
Reconnect to the server if needed