[How do install Secondlife on Ubuntu 14.04 LTS? I asked this already but I phrased it wrong :/]

I already asked this question before and somebody answered  it. But I phrased it wrong:/ I meant to say How do I install it and set it up.

I already downloaded it and extracted it but how do I install it and set it up 

[How do I get Secondlife for Ubuntu 14.04 LTS]

I tried other turtorials and they didnt work :/