How do you get rid of update and go back to how it was?

You need to know first why updates? what are updates? uses and benefits of updates?

If you have installed a only beta or alpha version of OS the OS might of bugs in it so the developers need to fix them here you need to have some fixing tools and then the windows updates offers the solution here. If you have installed to the latest  updates.

Many of developers works on the operating system developments and user interface modules so the bug fixes helps to every one to work easy and get rid of errors.

Lets say if you have installed an new version of OS then you need to know here some problems you might face while installing certain programmes so the developers release the bug fixes in the form of service packs like 1, 2, 3.

If you have genuine version of operating system installed then its not a problem to get updates. If your software is not genuine after installing updates you will go get notifications to make genuine.