KWrite hasn’t been released by KDE on the Windows app store, Kate has. Using the app store means seamless updates in the background.

Maybe KWrite is available on winget which would make it a bit less inconvenient than manually downloading each update.

Edit: KWrite isn’t available on winget

C:\> winget search kwrite

No package found matching input criteria.

For coders, yes, but for writing down a quick note or something is nice