In my experience, Windows 10 on older entry-level HDD computers (2010s) is already terribly slow. Slow RAM isn't as bad as a slow HDD for whatever reason. Though Windows XP still feels snappy on them.
Her work agreed to get her a new laptop and gave her a $500 budget. I told her we could put a $60 SSD into it and that would probably be all it needed to feel like new. But her work's IT didn't want to touch it (or let me touch it, understandably), so she ended up getting a Lenovo laptop with an SSD.