One Bootable Flash Disk

Step 1 : Connection One Flashdisk To Computer Minimum 1G

Step 2 : Runing CMD(Command Prompt) And Type diskpart And Enter.

Step 3 : Now In This Image My Flash Name Is X  2G Now We Most Type Select Disk X And Enter.

Setp 4 : Type Clean And Enter

Setp 5 : Type Select Partition 1 And  Enter

Setp 6 : Type Active And Enter

Setp 7 :Type format fs=fat32 And Enter

Now Wait For Formating.

Setp 8 : Type assign And Enter 

Setp 9 : Type Exit And Enter 

Now you Can copy all cd windows (vista . seven) in your flash and boot them.