Changes to current software written in old 7.1 Visual Basic.NET

We have an old in house software that need some changes. This software was written by a old guy who used VB.NET 7.1 to write the code. This is a small real estate company sofware that upload properties information that needs to be updated every 2-3 days with Sale dates, truste sale numbers. Properties are asigned to reps who add their information to the property. This is a long term temporary position since we will need to do a lot of changes in the system. Requiered skills: Virtual [login to view URL] 7.1 or older. SQL C++