Updated ReadMe

Author: AngusJohnson

README.md

@@ -13,3 +13,24 @@ My [**Image32 2D graphics library**](https://github.com/AngusJohnson/Image32) wa
 
 ![Thumbnail](https://user-images.githubusercontent.com/5280692/150119536-2b499495-f0dd-42e8-9e99-367657e3d783.png)
 
+----------
+Install:
+----------
+
+1. Right click Windows' Start Button<br>
+2. Select Windows PowerShell (Admin)<br>
+In Windows PowerShell ...<br>
+**cd** path_to_SvgShellExtensions<br>
+**regsvr32** SvgShellExtensions.dll<br>
+exit<br><br>
+
+----------
+Uninstall:
+----------
+
+1. Right click Windows' Start Button<br>
+2. Select Windows PowerShell (Admin)<br>
+In Windows PowerShell ...<br>
+**cd** path_to_SvgShellExtensions<br>
+**regsvr32 /u** SvgShellExtensions.dll<br>
+exit<br><br>