Windows 10 Home's default account lock system for the admin account is not completely secure because there are multiple free password recovery tools & ways available that can be used by a non-admin to reset/bypass the admin password.
How to secure Windows 10 Home admin's data & installed programs behind a password, even when programs like Office, Chrome, etc. are opened and running in the background with some documents/pages opened in it?
Securing data with multiple solution/software is acceptable
& if all the non-windows hard drive partitions can't be secured, it's also acceptable.
Edit: Securing data when anyone can have physical access to the locked device(running but password protected).
Edit 2: & when the system is used by only one user, through the admin account.