To see if your PC is ready for Minecraft Servers, Your computer system must have the following minimum requirements for installing :
Hosting Minecraft Server can be quite tasking for your computer. Certain minimum system requirements must be met. Therefore ensure that it is equipped with the right kind of specifications for running the server. The RAM, the network connectivity speed (especially upload speed), the processor etc., must be powerful enough to handle the hosting.
System requirements for multi-players:-
Here is a table which gives a rough idea of the minimum system requirements for Minecraft server hosting for multiple players. Generally, players are limited to 25-30 per server. However, there are a few extremely powerful servers that host up to 100+ players at one time. Such servers are however very expensive to set-up and maintain.
Players
RAM
Upload Speed
Download Speed
2
500 MB or more
512 kbps
1 Mbps or more
3
500 MB or more
1 Mbps
2 Mbps or more
4
500 MB
2 Mbps
3 Mbps or more
6
1 GB
2 Mbps
3 Mbps or more
8
1 GB
3 Mbps
10 Mbps
9
2 GB
3 Mbps
10 Mbps
12
2 GB
4 Mbps
10 Mbps
15
2 GB
5 Mbps or more
10 Mbps
20
3 GB
10 Mbps
10 Mbps
30
4 GB
10 Mbps
10 Mbps
You could as well check this website for finding if you can host a Minecraft server.
System requirements for single player:-
Most present-day computers can easily allow single-player Minecraft gaming. Some of the older ones can do too. Having a 1GB RAM or even 500MB, a single core 1GHz processor, upload and download speeds of 512kbps and 100MB of free disk space is quite sufficient.