Server operation questions (newbie)?

Question

Windows

Hello, I have questions about the server.
A friend offered to buy an old server (I honestly want it and the price suits me, but I don’t know why).

Specifications:

Server IBM XServer 336, MT-M 8837-PRN:
2 Intel Xeon 3.6 GHz processors;
2
x 585W Hot Swap Power Supply 2 x HDD 300 GB Scsi U320 3.5" with sled
2 x HDD 72 GB Scsi U320 3.5" without sled
RAM 4 GB
Dual integrated 10/100/1000 Ethernet

Questions:

Can be put on it Windows 10 home (pro)
*2 processors will be used (interesting).
You can put elementary OS on it.
It is designed only for Windows Server
*If only Windows Server, then you can work on it like on regular Windows.
It can be used as a home computer
Estimated cost of upgrading (your opinion).
Features of operation (your opinion, approximately).

Thank you in advance for your response.

ps I use laptops, but I have a medium-sized desktop computer (I want to replace it after messing around with the server).

Answer 1

Not worth it. He is already 15 years old, if not more. You won't run modern win there.