That "stuff" is saved in your Microsoft account. Things like favorites ,desktop backgrounds ,etc.

Delly10.. your 64gb flashdrive is probably formatted FAT32 which is size limited to 32gb. Format NTFS would give you the whole 64gb on the drive

I received a code on my first W10TP install on a blank hard drive. Subsequent install on a VM on an existing W8.1 got no code. Like others tried many times but no codes to my designated email account.