Transferring data from an old laptop to a new one with cloud storage makes the process easy, but it's also largely dependent on how much data you are transferring and how fast your internet speed is.

Reviving an old Asus EeePC with MX Linux is such a creative approach! ... My other laptop is from 2012, a 64 bit Dell that has no problem running Windows 10 or any Linux ...

If you fancy the idea of using your old laptop as a second monitor, there are a couple ways to go about it. However, make sure both devices are running Windows 10 or 11, otherwise this won’t work.