We can with Free and Open Source Software and web apps:

1. Quicken:
Is there a web or online version for your Quicken program that only requires a web browser? Any OS such as Windows/Linux/MacOS
can run these web apps with only a browser.

2. Microsoft Office:
Free alternatives LibreOffice and OpenOffice will do most of what most Microsoft Office programs will do. These run on Windows,
Linux, and possibly other operating systems. Or you can subscribe
to Office 365 and use the web apps in a browser, but this is still
proprietary.

3. Adobe:
Unfortunately many Adobe programs have their niche and nearly
all software from Adobe only runs on Windows. However, there are free and open source alternatives for viewing (and I believe editing) PDF documents if that is what you are trying to do.

4. Microsoft Windows:
You can try Linux, which still has a limited but quickly growing free and open source software library. It’s super secure, can be configured to update only when you want, is free and uses code that is peer reviewed worldwide by millions of people. However, gaming and hardware support is still relatively limited, but both of these issues are improving every day.

5. You can contact Quicken and Adobe’s support departments and
leave public feedback on community sites to push for improvement.
If we pressure these companies in to improving their software, they
likely will.

I am a level 2 support engineer. I can guarantee you there are tickets in my queue daily regarding some bug or design problem with Windows 10 or Server 2016. Freezing, reboots getting stuck, issues with failing updates, problems with typing in to Windows Explorer because the language bar process isn't running, problems with Quickbooks freezing and being slow vs. Windows 7 on similar hardware in the same network, etc.

I'm happy to support Microsoft products as it's great job security, but at home I'm in the process of switching to Linux Mint. I've installed it on my secondary PC and laptop, and working on my main Windows 7 PC now to get it ready. Plus, this extra experience will allow me to diversify my resume as running Windows is getting more and more difficult for small businesses. I feel one day Linux will overcome Windows as a desktop workstation OS, whether it be running on a fat client running FOSS applications or thin client running web apps. I've already used and managed Dell Wyse and HP Linux based thin clients in the past (although they have been a pain due to poor software design, not necessarily the OS).