README: Moved important information back from the Wiki to the README.

There has been too many questions like "how to fix my taskbar back to icons only" and "how to uninstall" so I guess this is needed after all...

README.md

@@ -4,10 +4,27 @@
 
 This project aims to enhance the working environment on Windows.
 
+## How to?
+
+1. Download the [latest version of the setup program](https://github.com/valinet/ExplorerPatcher/releases/latest/download/ep_setup.exe).
+2. Run the installer. It will automatically prompt for elevation, after which it will install the necessary files.
+3. When done, you will be greeted with the familiar Windows 10 taskbar. To customize the options offered by the program, right click the taskbar and choose "Properties".
+
+That's it. It's that simple.
+
+## Uninstalling
+
+* Use "Programs and Features" in Control Panel, or "Apps and features" in the Settings app or
+* Run `ep_setup.exe /uninstall` or
+* Rename `ep_setup.exe` to `ep_uninstall.exe` and run that.
+
+## Updating
+
+* The program features built-in updates: go to "Properties" - "Updates" to configure, check for and install the latest updates. Learn more [here](https://github.com/valinet/ExplorerPatcher/wiki/Configure-updates).
+* Download the [latest version's setup file](https://github.com/valinet/ExplorerPatcher/releases/latest/download/ep_setup.exe) and simply run it.
+
 ## Donate
 
-If you find this project essential to your daily life, please consider donating to support the development through the
-[Sponsor](#sponsor-button) button at the top of this page, so that we can continue to keep supporting newer Windows
-builds.
+If you find this project essential to your daily life, please consider donating to support the development through the [Sponsor](#sponsor-button) button at the top of this page, so that we can continue to keep supporting newer Windows builds.
 
 [Read more](https://github.com/valinet/ExplorerPatcher/wiki)