update docs

docs/60_Build.md

@@ -3,8 +3,23 @@
 To update and test the command line tool you need
 
 * git
+* wget
 * a local PHP8 cli.
 
+### MS windows
+
+Note: Work in progress.
+
+On my test system I've installed with Chocolatey:
+
+* "Git (Install)" (the larger package with 125 MB) - additional tools below usr/bin/ are needed (spc tells you what to add in PATH)
+* Visual Studio 2022 Community ("viualstudioc2022community")
+* PHP 8.4.4
+* Wget
+
+During install the spc build process failed while compiling `libiconv`.
+I will continue if I found a solution or it.
+
 ## Prepare environment
 
 ### Get sources