Develop code in Visual Studio without projects or solutions
Applies to: Visual Studio Visual Studio for Mac Visual Studio Code
You can open code from nearly any type of directory-based project into Visual Studio without the need for a solution or project file. This means you can, for example, clone a repo on GitHub, open it directly into Visual Studio, and begin developing, without having to create a solution or project. If needed, you can specify custom build tasks and launch parameters through simple JSON files.
After you open your code files in Visual Studio, Solution Explorer displays all the files in the folder. You can click on any file to begin editing it. In the background, Visual Studio starts indexing the files to enable IntelliSense, navigation, and refactoring features. As you edit, create, move, or delete files, Visual Studio tracks the changes automatically and continuously updates its IntelliSense index. Code will appear with syntax colorization and, in many cases, include basic IntelliSense statement completion.
If you're looking for information that's specific to VS Code, visit the Getting started with Visual Studio Code page.
Open any code
You can open code into Visual Studio in the following ways:
On the Visual Studio menu bar, choose File > Open > Folder, and then browse to the code location.
On the context (right-click) menu of a folder containing code, choose the Open in Visual Studio command.
Choose the Open Folder link on the start window.
Not all code can be opened by using the Open Folder link from the Visual Studio start window. For example, if your code file was saved as part of a solution—in other words, in an .sln file—you must use one of the other options listed here to open your code.
If you are a keyboard user, press Ctrl+Shift+Alt+O in Visual Studio.
Open code from a cloned GitHub repo.
To open code from a cloned GitHub repo
The following example shows how to clone a GitHub repo and then open its code in Visual Studio. To follow this procedure, you must have a GitHub account and Git for Windows installed on your system. See Create a GitHub account to use with Visual Studio and Git for Windows for more information.
Go to the repo you want to clone on GitHub.
Choose the Clone or Download button and then choose the Copy to Clipboard button in the dropdown menu to copy the secure URL for the GitHub repo.
Use Git in Visual Studio
As of Visual Studio 2019 version 16.8, we introduced a new, streamlined Git interface that you can use to interact with your files on GitHub. To learn more, visit the Visual Studio version control docs.
Use Team Explorer in Visual Studio
You can still use Team Explorer in Visual Studio 2022 and in Visual Studio 2019 version 16.8 and later. However, you might find it easier to use the new Git experience. For more information, see How Visual Studio makes version control easy with Git.
In Visual Studio, choose the Team Explorer tab to open Team Explorer. If you don't see the tab, open it from View > Team Explorer.
In Team Explorer, under the Local Git Repositories section, choose the Clone command and then paste the URL of the GitHub page into the text box.
Choose the Clone button to clone the project's files to a local Git repository. Depending on the size of the repo, this process could take several minutes.
After the repo has been cloned to your system, in Team Explorer, choose the Open command on the context (right-click) menu of the newly cloned repo.
Choose the Show Folder View command to view the files in Solution Explorer.
You can now browse folders and files in the cloned repo, and view and search the code in the Visual Studio code editor, complete with syntax colorization and other features.
Run and debug your code
You can debug your code in Visual Studio without a project or solution! To debug some languages, you may need to specify a valid startup file in the codebase, such as a script, executable, or project. The drop-down list box next to the Start button on the toolbar lists all of the startup items that Visual Studio detects, as well as items you specifically designate. Visual Studio runs this code first when you debug your code.
Configuring your code to run in Visual Studio differs depending on what kind of code it is, and what the build tools are.
Codebases that use MSBuild
MSBuild-based codebases can have multiple build configurations that appear in the Start button's drop-down list. Select the file that you want to use as the startup item, and then choose the Start button to begin debugging.
For C# and Visual Basic codebases, you must have the .NET desktop development workload installed. For C++ codebases, you must have the Desktop development with C++ workload installed.
Codebases that use custom build tools
If your codebase uses custom build tools, then you must tell Visual Studio how to build your code using build tasks that are defined in a .json file. For more information, see Customize build and debug tasks.
Install the Node.js development or Python development workload by choosing Tools > Get Tools and Features, or by closing Visual Studio and running the Visual Studio Installer.
Choose the Start button to begin debugging.
Codebases that contain C++ code
For information about opening C++ code without solutions or projects in Visual Studio, see Open Folder projects for C++.
Codebases that contain a Visual Studio project
If your code folder contains a Visual Studio project, you can designate the project as the startup item.
The Start button's text changes to reflect that the project is the startup item.
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