git@github.com: Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists.

git@github.com: Permission denied (publickey).

Below mentioned solution is for ["Windows Users"] only. Others can visit here: https://help.github.com/en/github/authenticating-to-github/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent


1. Open Git Bash.

2. Type cd ~/.ssh. This will take you to the root directory for Git. { C:\Users\[YOUR-USER-NAME]\.ssh\ }

3. Now hit the below command:
$ ssh-keygen -t rsa -b 4096 -C "your_email@example.com"

4. If it asks for anything, hit ENTER
> Enter a file in which to save the key (/c/Users/you/.ssh/id_rsa):[Press enter]
> Enter passphrase (empty for no passphrase): [Press enter]
> Enter same passphrase again: [Press enter]

5. Ensure the ssh-agent is running:
$ eval $(ssh-agent -s)
> Agent pid 59566  [Output sample]

6. Add your SSH private key to the ssh-agent:
$ ssh-add ~/.ssh/id_rsa

7. Now, copy the SSH key to your clipboard:
$ clip < ~/.ssh/id_rsa.pub

8. Open your Github account in browser and follow this navigation: 
  Click on Profile icon > Settings > In the user settings sidebar, click "SSH and GPG key" > Click New SSH key or Add SSH key > Paste your key into the "Key" field. > Click Add SSH key.
  

# Now, git push, it should work.

Key is invalid. You must supply a key in OpenSSH public key format