Your example is actually the only time I've ever seen this side-by-side-style login page with the form on the right. Mailchimp, Quickbooks, and Alliant CU, for example, use the same layout as OP. I'd guess that Rippling is really trying to push their marketing, which is why it's on the left. Source: almost 3 years ago

And, of course, you need a Mailchimp account. If you still haven’t had an account, create a new one here. - Source: dev.to / over 3 years ago

You can find all sorts of fake updates here. For mobile devices too. Source: about 1 year ago

Https://fakeupdate.net/ as suggested by the others. You could press 11 to fullscreen and press enter to BSOD (Blue Screen of Death). Source: about 1 year ago

Point browser to https://fakeupdate.net and set it to fullscreen. Source: about 1 year ago

Https://fakeupdate.net/ or updatefaker + full screen (turn off extra monitors). I like to use an osx or windows vista one, it usually gets the best response. The ones that drive me nuts are the ‘security experts’. Source: about 1 year ago

If you can catch their computer unlocked open a browser and go to fake update.net and you can pick an os to "update", then make the browser full page and walk away. Source: over 1 year ago