Block 3rd party cookies in Chrome and other (Chromium based) BrowsersUse the following in the address bar:
chrome://settings/content/cookiesFollow this:

This also works in the Avast Secure browser just change what you type in the address bar to this,
secure://settings/content/cookiesThis should work in many Chromium based browsers with slight modifications.In the new Edge (Chromium based) Browser, use the following,edge://settings/content/cookies