update old code c

I am looking for a programmer who can update old C++ code.
here is the code:
https://drive.google.com/file/d/1p2NDZU-M596A8rHTixIO_AwY05p0wZ3_/view?usp=sharing

Programming Language:
- The old code is written in C++.

Code Changes:
- need it to work on AlmaLinux 8.

Special Requirements:
- There are no special requirements for the updated code.

Ideal Skills and Experience:
- Strong knowledge and experience in C++ programming.
- Familiarity with updating and maintaining legacy code.
- Attention to detail and ability to understand existing code structure.
- Good problem-solving skills.
- Ability to work independently and meet project deadlines.