What Does the Windows Update Assistant Do?

Windows Update Assistant is a Microsoft program that automatically helps to download and install the latest update and upgrade for Windows. The update assistant helps users automatically follow and check for any upgrade available for Windows 10.

Is Windows Update Assistant necessary?

The Windows 10 Update Assistant enables users to upgrade Windows 10 to the latest builds. Thus, you can update Windows to the latest version with that utility without waiting for an automatic update. However, the Update Assistant is hardly essential as the updates will eventually roll out to you without it.

Is it OK to uninstall Windows 10 Update assistant?

So, yes, you are quite right to uninstall Update Assistant in Settings > Apps > Apps & Features. It is not needed any further, or ever really.