“Ok-Key” and “Cancel-Key”, Which One Should Be Set Up on the Left? [duplicate]

1. Should the cancel button be on the left or right?
2. Should primary button be on the left or right?
3. What is the use of cancel button?
4. Is yes on the left or right?

Should the cancel button be on the left or right?

Apple MacOS Guidelines says that “A button that initiates an action is furthest to the right. The Cancel button is to the left of this button.” So for MacOS users 'Cancel' is on the left of 'OK' button. Google Android guideline says “The dismissive action of a dialog is always on the left.

Should primary button be on the left or right?

Full page designs should have the primary button on the left side of the page. If the browser window is large, or you have to scroll down to fill out a form, it's best to have the primary button right below the last bit of content on the page.

What is the use of cancel button?

A cancel button is clicked whenever the user presses the ESC key, regardless of which other control on the form has the focus. Such a button is usually programmed to enable the user to quickly exit an operation without committing to any action.

Is yes on the left or right?

Yes - Right; No - Left.