Add info to README

README.md

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-#Magic4PC
+# Magic4PC
 
-Allows you to use the magic remote on your LG tv as a mouse for your PC.
+Allows you to use the magic remote on your LG tv as a mouse for your PC.
+
+# Installing
+
+You can find the latest release on the releases page.
+Download and extract the win_install.zip file, make sure developer mode is enabled on your PC and run the install_x64.bat (or install_arm64.bat) file to install the Windows client app.
+
+You will also need the WebOS app, which is available as an .ipk file in the release.
+To install the .ipk, first install the webOS TV SDK on your PC, enable developer mode on your TV, and then install the app using `ares-install --device YOUR_DEVICE_HERE me.wouterdek.magic4pc_1.0.0_all.ipk`.
+
+
+# Building from source
+
+Requires Visual Studio 2019 with WinUI 3.0, Node.js, Enact and the LG WebOS CLI development tools