Access to Newspapers.com’s entire collection is now free until Monday, February 19, 11:59 p.m. Mountain time, using this link. You must start your search from the Free Access page.
It doesn’t appear that you need to set up an account to search, clip, and save.
Newspapers.com is the largest online newspaper archive. If curious to see which newspapers are available on the site, visit the Papers page and select the country and location that interests you. Or click on the Search tab to Browse what is available location by location.