Update README.md

Update of the Readme file

Signed-off-by: Michal D. <154359+mdziczkowski@users.noreply.github.com>

README.md

@@ -6,7 +6,7 @@ Minimalistic and secure operating system
 
 # Features:
 
-## I. Preparation scripts
+## I. Preparation scripts (**Linux only**)
 
 - Small size
 - Automation of the most processess related with getting, preparing, compiling and configuration
@@ -30,8 +30,46 @@ Minimalistic and secure operating system
 ## Scripts:
 
 1. 64-bit Debian based Linux distribution
-2. Developer environment with following:
+2. Pre-Requirments for the build environment - packages and libraries
 
 - build-essentials (install's allmost all software required for the compilation process)
 - bison++
+- python3
 - libraries: libssl-dev
+- squashfs
+- dependencies required by the third-patry software required to compile the sources
+
+## Final product (portable (live) version)
+
+[!IMPORTANT]
+1. USB stick **need to meet** following criteria:
+
+- must be cleaned using the `wipe` command to prevent any potential leftovers from previous data and potential malware
+- must have a GPT partition table
+- the partition `need` to be set bootable**
+
+2. The BIOS/UEFI `need` to be set to run from USB before the hard drive
+
+3. Ensure yourself to have an active and stable internet connection
+
+4. Ensure yourself that you have fullfilled the requirments of having 
+
+# Distribution preparation using included scripts
+
+1. Get the content of the repository:
+  a) using git clone (remember to use the `--recrusive` and `--recrusive-modules` options) OR
+  b) Download (and extract the archive)
+
+From now, the folder to with the repository got clobed/extracted will be refered as the "*project dir*"
+
+2. In the `project dir` enter the `code` sub-folder
+3. ensure that the scripts are executable
+4. run the `prepare.sh` script
+5. After the script finishes (assuming that it wasn't interrupted due an error), return to the `project dir` and then enter the `dist` sub-folder
+6. copy only the content of the `dist` folder, without copying the folder itself (else the dist won't start)
+
+The distro should be ready to be run.
+
+**IMPORTANT**
+
+The distro has only a console, so you need to be familiar with