Seriously ? Download a bit of free software, resize the partitions on the drive, reboot, resize them again. What could possibly go wrong?
All this to install an update from Microsoft that is so important that Microsoft themselves cannot be bothered to fix the update themselves.
btw, won't it be fun when you screw up your drive and you need to do a complete reinstall of windows, all your drivers, and your applications. Not to mention recovering stuff from your backups