Final answer:
To open a project in Visual Studio, launch the program, go to File > Open > Project/Solution, then navigate to and select the project or solution file and click Open.
Step-by-step explanation:
To open a project in Visual Studio, you first need to launch Visual Studio. Once opened, go to the File menu at the top of the screen, select Open, and then click on Project/Solution. Navigate to the directory that contains the project or solution file (with extensions like .csproj or .sln), select it, and then click Open.
If you have the project in a version control system, you might need to clone or check out the project from your version control repository before you can open it. Remember to wait for the project to fully load in Visual Studio before attempting to run or edit the code.