How to use GitHub without installing anything?

 
Step 1 – Sign up for a free GitHub account
 

Visit the GitHub homepage and register.

• Open your web browser and go to https://github.com.
• Click Sign up.
• Enter your email, create a username and password, then complete the verification.
• Choose your plan (select the free plan) and finish the onboarding prompts.

 
Step 2 – Create a new repository in the browser
 

Use the web UI to create and initialize a repository.

• After logging in, click the + icon in the top-right corner and select New repository.
• Enter a Repository name (for example, hello-world).
• Optionally add a Description.
• Select Public or Private.
• Check Add a README file to initialize the repo.
• Click Create repository.

 
Step 3 – Upload files via the web interface
 

Drag and drop files or use the file chooser.

• In your repository, click Add file and choose Upload files.
• Drag your project files into the browser window or click choose your files.
• After uploading, scroll down to the Commit changes section.
• Enter a short Commit message (for example, “Add initial files”).
• Click Commit changes to push them to your repo.

 
Step 4 – View and navigate code in the browser
 

Explore your repository’s contents online.

• Click on file names to open and read them.
• Use the Breadcrumb navigation at the top to move between folders.
• Switch branches by clicking the branch dropdown.

 
Step 5 – Edit files directly in GitHub
 

Modify code or documentation without cloning.

• Open the file you want to change and click the ✏️ Edit button.
• Make edits in the built-in editor.
• Scroll down to the Commit changes section, add a commit message and choose Create a new branch or commit directly to main.
• Click Propose changes if using a new branch or Commit changes otherwise.

 
Step 6 – Collaborate using issues and pull requests
 

Manage tasks and code reviews online.

• Open the Issues tab to create or view tasks.
• Click New issue, enter a title and description, then Submit new issue.
• To propose code changes, open the Pull requests tab and click New pull request.
• Select the compare branch, review changes, then Create pull request.

 
Step 7 – Use Gists for single-file snippets
 

Share code snippets or single-file scripts publicly or privately.

• Click your profile icon, then select Your gists.
• Click New gist.
• Enter a Filename (for example, snippet.py).
• Paste your code into the editor.
• Choose Public or Secret, then click Create public gist or Create secret gist.

# Example: adding a new Python function
def greet(name):
    print(f"Hello, {name}!")

greet("World")