Windows is commercial software, you are a customer.
Linux is community based open source software, you are not a customer but a member of a community, the philosopical difference could not be greater.
Then Manjaro is probably not the distro for you, even if you make extensive use of Timeshift.
Manjaro is a rolling Arch based distro, to successfully maintain a Manjaro system you will need to learn and acquire a solid Arch Linux knowledge foundation.
There are multiple stable updates a month and reading update announcements and understanding how this effects your system is highly recommended. Blindly applying updates with no understanding will eventually lead to a broken system, without any knowledge to diagnose and fix, no matter how trivial the issue.
If learning Linux is not your thing then, which is fine, a distro like Mint is probably a better bet, but even then a certain degree of knowledge is still beneficial.
Try 'em all, nobody can answer this for you.
DE preferences are a personal as culinary preferences …