Read the certification labels underhood-- they state the refrigerant type and volume. It should be fitted with R134A from the factory and thus easily recharged.
Check for leaks. Prior to anything...
For AC it is relatively simple from an electrical point of view. All that is required is a transformer. Even if there are other electronic solutions, unless there is good reason. Stick with the idea...
If you've got the bonnet open and are looking at it from the front-centre, the compressor is located to the left of the engine, in front of it, close to the right headlight. Assuming that's what...
The old refrigerant will need to be vacuumed out and disposed of correctly, that is why a qualified tech should be doing it. After that you replace all the O rings with the new ones and recharge the...