How can the background be unreal when shooting portraits with Canon sx60?

Canon SX60 HS is equivalent to a 35mm focal length of 2 1- 1365mm, with a maximum aperture of F3.4-F6.5 I want to take a portrait and the background is blurred:

1: Use aperture priority Av mode and try to use large aperture;

2. Try to use a long focal length;

3. After ensuring the distance needed for composition, the camera should try to keep the characters close and keep them away from the background.

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