Beware if you uninstall Intel Wireless Dual Band drivers, they will NOT be reinstalled by Windows.
You will have to run Legacy Hardware installer and manually reinstall them.
It doesn't say anything about it being a preview build in the about tab of system in settings.
All it says is 26100.1882. That's it. The Experience Pack is listed as 1000.26100.23.0
Linux offers many desktops and the two commonly used package formats: deb. and rpm.
With the former, you have Canonical/Ubuntu and the latter in RedHat/Fedora and SUSE/openSUSE.
If you get the patch that's the gold version build, you do not have to do anything - you'll already be on the final version.
All other Windows Insiders will have to upgrade via ISO.