Today, I was plan to re-install my PC’s windows system, but before I do anything, I would like to backup my current Google Drive first, because I really don’t want re-sync 100G of data… so here is a tutorial I find from Ghacks.net original post: http://www.ghacks.net/2014/01/21/backup-restore-google-drive-files/ If Google Drive is your file synchronization service of…