I am absolutely new to Bitcoin and mining, I know that mining at home using a PC is not worth even the time and takes years to get any income out of it. The thing is I need to mine at home using a PC for experimental purposes and education, so basically i just want to make something even like 0.0000001 bitcoin, and only bitcoin no other crypto currency. I downloaded the Bitcoin Core wallet and downloaded all the years transactions to be up to date, where to go from there i have no idea, i found several miners but they are all confusing, I can't even find my address to start using the basic miners, so please could you give me a guide or a step by step instructions on how to proceed please? I need to do this alone not within a group (pool) of miners as most sites suggested. Thank you
As has already been commented, this is really not possible. You cannot solo mine Bitcoin with a PC. Even with an ASIC, you cannot solo mine. You simply won't have enough hash power to even get (as you said) 0.0000001 BTC.
If you are really set on mining, I would suggest you look at other currencies, and GPU based mining. You will however, be required to use mining pools. That is a necessity. If you are looking for a very simple GPU miner, you may checkout MinerGate (note: I am in no way affiliated with MinerGate, and I have never used their product).
the entire project is to show my students something in action and actually working
You can probably do this by effectively forking a cryptocurrency with a new isolated blockchain.
If Satoshi Nakamoto could get it all started with a few PCs in 2008, so can you.
However, you'd probably need to learn a substantial amount about your chosen cryptocurrency.