install ubuntu on win10

related url :

• install guide: http://www.linuxidc.com/Linux/2016-04/130520.htm
• register code: https://www.52pojie.cn/thread-556129-1-1.html
• BISO setting: https://jingyan.baidu.com/article/e6c8503c1523dbe54f1a1822.html

NOTES:

1. choose rigth tool ---UltraISO.
   Universal USB or USBWriter Installer is useless for my pc.
   UltralSO can be registered freely.
   there is the userName anduserCode:
   • Guanjiu
   • A06C-83A7-701D-6CFC

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2. setting USB started in BISO
   • PC sytle:leveno thinkpad
   • step:
     1. press F2 when the srceen display the windows icon.if you listen a toot sound, then you are right.
     2. path: boot/boot. using "shift+" make "usb key" first
     3. path:/startup. setting CMS and scurity disable.
     4. press F10 saved and exit
     5. restart and press F12, waiting seconds press "ctrl+s",then
     choose your usb name.