Step 1:- Go to your c: drive and open git bash and run this command
ssh-keygen
2.Which location you want to save this if ok then click Enter Enter:
follow this instruction :-

Paste the text below, replacing the email used in the example with your GitHub email address.
ssh-keygen
your_email@example.com
1.Choosing a Place to Save Your Key:
- When your computer asks where to save the new key, it’s like deciding where to put a special key in your house. By default, it suggests a place, and you can just press Enter to agree.
Enter a file in which to save the key (/c/Users/YOU/.ssh/id_ALGORITHM):[Press enter]
Working with SSH key passphrases:
follow this step:–
> Enter passphrase (empty for no passphrase): [Type a passphrase]
> Enter same passphrase again: [Type passphrase again].
When you generate your key, you’ll notice a file named ‘id_rsa.pub.’ This is like the public version of your special key. Imagine it as the part you can show to others or share with a friend.

then open your notepad:–

Select all copy this then Add SSH key and paste there:
your SSH key is successfully set:-

Git Tutorials
thanks