Is it provided with a stand or an XLR cable?
No, it is not given an XLR cable or stands.
Can you listen to .mp3 Instrumental (Knot Instrument) downloaded on PC and recorded it using this mic?
Yes, using a mic monitor dial, toggle between PC sound and your own, or balance can be done.
Is this the XLR version of this mic?
Yes, it has a three-prong XLR connector.
Does this mic come by itself or with the items shown in the photo?
Hello: It comes with the accessories shown. This item is part of the accessories included in the factory.
Is it good for recording rap vocals?
If you are good at rap, it will help you in your search. It can record what you throw at it.
Does it connect to the stand?
It has its own adapter, which fits most standard microphone stands.
Can anyone explain the steps to put it on PS4?
An audio mixer is needed to connect to AT2020 then your ps4 USB.
What is the maximum volume?
The volume will depend on your computer. Layers can be raised and lowered using the volume slider on your computer.