learn to fork a code in solidity

I am a beginner in Solidity and I am looking for guidance on how to fork a code in Solidity. I already have a specific code or project that I would like to fork. I am looking to learn how to do this within a week.

Skills and Experience:
- Strong knowledge of Solidity
- Experience in forking codes in Solidity
- Familiarity with Ethereum and blockchain technology