Yes, upgrading from Windows 7 or a later version will preserve your personal files, applications and settings.

Can I upgrade from Windows 7 to 10 without losing data?

Upgrading from Windows 7 to Windows 10 will not result in data loss . . . Though, it is always a good idea to backup your data anyway, it is even more important when performing a major upgrade like this, just in case the upgrade does not take properly . . .

What is the disadvantages of upgrading Windows 7 to Windows 10?

10 reasons you shouldn’t upgrade to Windows 10

• Why it might be wise to stick with Win7 or Win8.1.
• Many new features won’t work on your machine.
• Cortana’s losing the race with Google Now, Siri, and…
• Privacy concerns are getting worse, not better.
• OneDrive still doesn’t work right.