Have youi looked into WhatsApp? There are apparently ways to use it without a phone. I use both the cell phone app on my andoid phone and the Windows WhatsApp app. The Windows app is just “linked” to my cell phone. There are other ways though (apparently). Here’s a link that might help.
https://mobiletrans.wondershare.com/whatsapp/how-to-use-whatsapp-without-phone-number.html#:~:text=the initial setup.-,Method 3%3A Use WhatsApp without a Phone Number Via Linked,a tablet or second phone.
re: credentials rapidly stale I’m using Edge browser on Win 10
re: NVDA nav tips for forum Thanks for the tips. I haven’t been using n much. I’ll give that a try. Learn something new every day.