Edge Chromium - Download File - Open vs. Save Option Pop-up Window

Not sure is anyone tried Smittychat's solution but it DID WORK FOR ME! Instead of asking me where it wants to save the file, the PDF pops up at the bottom above the task bar now. It does however automatically save the file to the downloads folder but you can change the path to a new folder and just delete that folder later. (click 3 dots>settings>downloads>change. Create a new folder where ever you want) I stumbled across another trick too! I work in data entry. Therefore, I'm a shortcut keyboard guy and I hate using the mouse excessively and I have to repeat the process over and over again! Anyway, after you've done the steps below, the PDF will pop up above the task bar, press F6, (this takes you to it) then press tab (this selects it) press the space bar (this opens it). It's weird but it works! Ctrl P opens it, Space Bar or Enter prints it, then press Ctrl Q to close it. Boom! You've opened, printed, and closed the PDF without touching your mouse! 

To stop the auto save box from appearing: In Edge Chromium, Click the 3 dots>settings>downloads. Where it says: Ask where to save each file before downloading…uncheck that box.

NOTE: This only works with the new Edge Chromium. Not the older version of Edge. I actually like this better because I cannot find a keyboard shortcut to the "Open" button when the Open/Save/Run dialog pops up. F6 doesn't make it jump down there like it does with Edge Chromium.

I thought the question was "is there an easy way to automatically download and open files in a folder that is periodically auto-cleaned?" 

Lobbying MS to re-implement old functionality is fine, but I'll take a nice work-around before I start holding by breath.

Yes, many people do use Downloads for long-term storage (including myself until recently), and activating the auto-clean function would make that impossible. And yes, the functionality we're asking for would be simplest if MS would re-build the Open / Save / Save As dialogue.  But until that happens, I think it is relatively easy to find a new place for long-term storage and take advantage of the auto-cleaning function that's available for the Downloads folder.  I don't mind using picking my long-term storage folder for drivers, program files and the like when I need to, and letting Downloads handle the stuff I don't want to keep. (After all, the Downloads folder didn't even exist until relatively recently in the history of Windows, so people who remember life without it could revert to whatever their previous method was for long-term file management).

I also endorse the approach recommended by iFiredog, which just takes advantage of a different auto-cleaning function.

Unfortunately, if you set an automatic delete for the Downloads folder, ALL your downloads, not just the "I only want to see it files", but EVERY old download gets deleted. Many people KEEP files in the Downloads folder, until they are done with them. They don't open them or move them elsewhere, so using your method, they would age-out and get deleted. What we REALLY need is a SEPARATE folder from the Downloads folder and both Windows and Mac have one. Its called "Temp". Files in it are ALWAYS deleted when the system default timeout happens, but the default Downloads folder is NEVER auto-cleaned. SO for files we WANT to keep, we just download into Downloads and expect the System to automatically us Temp for "just show it to me" files. One folder cannot do all of that without LOTS of user fiddling (and most users don't know how anyway.)