Merge pull request #9 from thewsoftware/initial

Updated README.md, added installation notes.

README.md

@@ -12,10 +12,17 @@ sdrfc.exe [-option] [drive:][path][inputfilename] [drive:][path][outputfilename]
 * `-c` - Copy channels from input file to output file, overwrite the output file (default).
 * `-m` - Merge channels from input file to output file, save the result into the output file.
 
+**WARNING: Make sure SDR++/SDR# application are not running when updating frequency files. Both apps load frequency files when started, manage frequency channels in the memory and overwrite files when stopped.
+
 ## Features
 * Convert frequency channels from one format to another. 
 * Auto-detect input and output file formats.
 * Create output file if it doesn't exist. If output file does exist and `-m` option is selected
 then frequency channels from input file are merged into the output file and saved.
 
+## Installation
+Download the latest sdrfc.zip from https://github.com/thewsoftware/sdrfc/releases and unpack it into a designated folder. 
+Executables are build with .NET 6.0 framework which is included into Windows 10 by default.
+
+