Continuing the discussion from Install MS Office 2021 on Zorin OS 16:
If it's the browser itself that's causing problems, you might try SRWare Iron. It's Chrome, but with all the corporate spyware neutered.
Basically, you download the .deb file to your desktop, open it in Software Center (right-click the .deb file icon, select Open with other application , select Software ), install it from within Software Center, and then start and configure the browser.