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Login to account < account tab < delete account < confirm delete account
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you delete it the same way you delete walls ~anonymus
you cant delete walls in the sims 2 apartment life. the apartment isn't your property, so you cant delete it. it is the same as at public lots. you cant add or delete anything.
Second Life was created by Linden Lab.
First of all, it's spelled delete, not "deleat", Second of all, It's IMPOSSIBLE to Delete mii channel because you'd be left with NO MIIs!
In Build Mode, get the wall build tool and hold ctrl and just draw the wall you want to delete...