(adsbygoogle = window.adsbygoogle || []).push({}); can someone here please, tell me how to mod and where to get the software?

You need to have a jailbroken PS3.

In order to do this, you must downgrade it using a service around you or ship it to someone trusted.

OR, you can buy an E3 Flasher and do it yourself.

However, flashing requires a lot of time.

You can see a video below on how it is done.

You can buy pre-flashed CFW's or buy an original 3.55 like I did as an alternative to using a E3 flasher, but once you setup your CFW, connect it to the internet you just need to download target manager and put your PS3's IP in it, then you can go and download tools to your hearts content.