Same for me from Australia server with 300+ ping. Couldn't do it on my computer, had to use a VPS but my Linux VPS doesn't work. So I registered a Windows VPS and finally gotten a cape. Hopefully, I don't have to use the windows vps anymore.
My Cheap Equipment (I had fury, archers ring and diamond bolt(e))
Did it on my noob account of mine
63hp
73range
50def