Upgrade or install Sage seems like a fundamental task. Click install. Wait a few minutes. Start working.
That is how it is supposed to be.
In real-world offices it is not often that smoothly. There is a moment when something freezes. An error pops up that seems to be completely unreal. In the worst case, sage technical support (https://oke.zone/) installs well, but refuses for it to be opened properly afterward.
Most users do not make the whole thing up deliberately. Most of the problems stem from small, insignificant things that nobody will tell you about.
Let's break this down in plain English.
Sage isn't like one of those apps that you simply download and then forget about.