If you are aware about the term decentralisation associated with bitcoin then you should know that nobody control the bitcoin network even the founder Satoshi also don't have any control over it and as said above each peer in the network is responsible for security of Bitcoin.

There is no central control or server which could be shut down to stop bitcoin and that's why the government fear it because they can't control it or stop it.You all are all equal and that's the best part of bitcoin.

The code is stored in Github and in anyone who stores it on themselves, especially full nodes.

And who does deploy the code? well, anyone can be. I do run a full node and set up the node to be run as automatically as possible, when it got outage, I set my system to automatically start the node when it is already powered on again. And I believe so does others, anyone could manage the node, in many cases, there is no such direct/centralized authority to manage it.

Satoshi got nothing to do with the current bitcoin repository. And you can see who has commit access into the repository here: List of people who have had commit access to Bitcoin Core

1- satoishi is gone for 10 years and 7 days. Thats his last post on bitcointalk - https://bt.irlbtc.com/view/2228.msg29479#msg29479 - December 12, 2010, 06:22:33. Untill now, for all this time, bitcoin is on its own. Developed by community (hundreds of developers  and thousends of nodes that approve or decline the updates by accepting fork or not - running new code on their nodes or old one)
2- there is no single server. Everyone who wants to partycipate create its own NODE that connect with other nodes creating P2P network that everyone else can use. Thats what decentralization is and thats why bitcoin is worth more than 0.

The word you are using, server, is not the correct term. Have you comprehended the referred Wikipedia link? or what specifically do you mean by using the word 'server'? And what is that you suspect the deployed application is, which code specifically, the Bitcoin Core or what?

You keep repeating certain things that make no sense with each other. Like "bitcoin code" "node" "server" and "Satoshi Nakamoto paying for server for 50 years".

* The Bitcoin protocol is known and its reference implementation is open source so everyone knows it already. If right now if all the computers in the world that store this code (and other implementations of it) blow up, people can write it from scratch. I personally can recite at least 80% of Bitcoin protocol from memory down to the details.
Right now the multiple implementations of Bitcoin are stored on Github, Gitlab and a couple of other places including many individuals personal computers.

* The compiled version is usually run on a personal PC and sometimes on a remote server like a Amazon VPS.
The first one can not be changed or manipulated it is your own PC and you can compile the code yourself. You would also handle your space, internet cap, ... when you run a node. The system requirements are known and can be easily found with a simple search on Google.
In the second option whether the third party can manipulate what you run on their server is another question. Is that what you are asking? But again the system requirements are known so you can buy a service that can handle that.

* Satoshi Nakamoto invented Bitcoin and published it on public domain with MIT license for everyone to use. Bitcoin is not centralized to have a centralized server run by one person or organization. As I explained earlier it is a peer to peer network.
Read the details of a P2P network from Wikipedia link I posted, in short in this type of network there is no "server", instead each peer (each person running a bitcoin full node) is both a server and a client. And all peers are at the same level as each other.

Let’s not ignore the major point which I asked .. if a code is written it must be on some server to respond … github is just for repository and further advancement of the codes … bitcoin core is an open source client … but bitcoin code is different … let me just further iterate what exactly I mean .. suppose a crypto currency is been developed .. pick any like doge..or bch … it would have been on some server to start the communication with the blockchain … the code on server responds and people start running nodes .. the bitcoin code when launched did not communicate with github but with the code on server … just think how is it possible .. without code on server .. and it’s communicating with blockchain and node … please think once again

There I fixed your post.

If it helps you can think of the first node (or nodes, see the seed nodes answer above) as a server but it is misleading as they are all equal, and any node may respond to any query.  A node or a server in this context is much the same - they are simply computers running code connected to the internet.  But calling it a server is misleading as it presumes a server-client relationship where there is none - all nodes are equal, hence peer-peer.  And once a few nodes are up and running any of them can be removed without impacting the network.

I think your question is adequately answered by @DaveF as is usual for the likes of him who come up with to-the-point explanations about such confusions. Thanks Dave. This is what makes this forum still so awesome. There are a lot of people who have authoritative understanding on the different aspects of Bitcoin and whatever question one has, you can always get the answer.

Let me also thank @franky1 and the likes of @BitcoinFX who keep removing misconceptions about people like CSW and so many other things. Now if i keep thanking, this list would not end as there are a lot of these people in the forum, who are active (Thank God) as well as very knowledgeable. May you all be healthy and happy.

As far as anybody can tell, Satoshi ran the client on his own PC and when he asked other people like Hal Finney to run it, the network was formed. You keep saying "server" like its some special entity. Your own PC could be a server hosting a program it is running.

It seems to me that you are abstracting things wrongly. Like when you say "communicating with blockchain and node". As soon as Satoshi started the client, the block production had started. It has never stopped. You are probably thinking in terms of these other PoS chains that have led to such confusions with their concepts of validators/ stakers/ Master-node and such made-up words to make it sound like they are somehow not centralized.

These concepts do not apply to  Bitcoin's PoW. Sure there can be different kind of nodes based on how much of the blockchain's copy they are keeping but there is no "central" server. Of course its not straight-forward to get your head around this and that is one of the reasons that Bitcoin's strength lies in its continuity, its network and the community. These things are not replaceable. Otherwise anybody could run a few nodes and start calling their new copied coin as Bitcoin.

Sir , you are free to do so … anyways instead of this it would be better if u would thought of something nice and utilise ur time in something productive, apart from putting in ignore list .. anyways I respect your decision .. have. A good day