How (the fuck) do I link two instances of SQL Server using the Management Studio?

Never thought I’ll actually miss Enterprise Manager, but the newer one is even more confusing. So – no clue so far how to do such a simple task via the graphical interface, just execute the stuff below:
EXEC master.dbo.sp_addlinkedserver @server = N'\instance,tcport', @srvproduct=N'SQL Server'
EXEC master.dbo.sp_addlinkedsrvlogin N'\instance,tcport', false, null, 'sa', 'thesapassword'

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