It took a while, but my 92 year old mom is now comfortable using remote access in Zoom to let me help her. We use it often enough--typically a couple of times a week--that she stays in practice. She calls me on the phone anytime she needs help, I start a meeting, she clicks a link to my Zoom personal meeting room that I've put in her browser's Bookmarks bar, she shares her screen once she's connected (this was the part that took her a while to get), and I request remote access. We've both got fast internet connections, so we go from zero to remote access in under a minute.