Update readme

Author: SS1823

README.md

@@ -1,3 +1,30 @@
 # Conan package sample
 This is a sample package for conan
 
+Remember that the scripts build.sh and build bat will select default configuration.
+On windows this will be the newest Visual Studio installed.
+
+# Conan installation
+
+## Windows
+This example uses powershell
+
+create virtual environment
+`py -m venv path_to_virtualenv`
+
+activate
+`path_to_virtualenv\Scripts\Activate.ps1`
+conan should now be available as a sommand
+
+alternatively, without isntallation, use full path `path_to_virtualenv\Scripts\conan.exe`
+
+# Linux
+
+create virtual environment
+`py -m venv path_to_virtualenv`
+
+activate (mind the dot at the beginning)
+`. path_to_virtualenv\Scripts\activate.sh`
+conan should now be available as a sommand
+
+alternatively, without isntallation, use full path `path_to_virtualenv\bin\conan`