Added some information, formatted

README

@@ -32,16 +32,35 @@ reports on the platforms on which Parrot has been built and tested.
 
 HOW TO GET PARROT FROM GITHUB
 -----------------------------
-Firstly, you should install Git. The method depends on your distribution. To install you should execute (as root or sudo <cmd>):
-On Ubuntu/Debian (apt-based): apt-get install core
-On Red Hat, Fedora (rpm-based): yum install git-core
-on Gentoo (portage): emerge -av dev-vcs/git
-If nothing works, see http://book.git-scm.com/2_installing_git.html
+Firstly, you should install Git.
+Linux:
+The method depends on your distribution. To install you should execute (as root or sudo <cmd>):
+
+On Ubuntu/Debian (apt-based):
+	apt-get install core
+On Red Hat, Fedora (rpm-based):
+	yum install git-core
+on Gentoo (portage):
+	emerge -av dev-vcs/git
+Windows:
+There are 2 Git ports on Windows:
+
+msysgit 	(http://code.google.com/p/msysgit/downloads/list)
+TortoiseGit 	(http://code.google.com/p/tortoisegit/downloads/list)
 
 In Git, branches represent some major changes of source and tags represent different releases.
-To fetch the source from the master branch: git clone git://github.com/parrot/parrot.git
-To fetch the source from a branch: git clone git://github.com/parrot/parrot.git -b <branch>
-To fetch the source from a tag: git fetch git://github.com/parrot/parrot.git tag <tag>
+You can view the list of branches and tags at http://github.com/parrot/parrot
+To fetch the source from the master branch: 
+	git clone git://github.com/parrot/parrot.git
+To fetch the source from a branch:
+	git clone git://github.com/parrot/parrot.git -b <branch>, e.g:
+	git clone git://github.com/parrot/parrot.git -b gsoc_threads
+To fetch the source from a tag:
+	git fetch git://github.com/parrot/parrot.git tag <tag>, e.g:
+	git fetch git://github.com/parrot/parrot.git tag RELEASE_2_10_1
+If you fetched the source from a specific branch, you can merge it with the master:
+	git branch		-to list branches, active one will be marked with *
+	git merge master	-to merge active branch with master
 
 INSTRUCTIONS
 ------------