When I run
a@debianVM:~$ wine --version
And the website says: Latest stable release: Wine 1.6.2
How to update?
Wine 1.4 is the latest official version in the debian repositories (see https://packages.debian.org/wheezy/wine).
But, you can install the sources from the wine website:
First you need to install required packages:
apt-get install flex bison qt3-dev-tools qt4-qmake
Then download the sources with wget:
tar -xjvf wine-1.6.*
cd wine-1.6.* ./configure cd tools; ./wineinstall
The correct way to do this is to backport Wine from unstable. This looks like it should be do-able, though perhaps not totally trivial. If you want more information on how to do this, please ask.
You might need to update your repository database first (this will not update any packages):
Then update wine:
apt-get install wine
To update all packages on the system: