Drivers:
http://www.mediafire.com/file/b1ccd9mqvxphuox/Mini_Book-drivers.rar/file 300
touch driver for 8100Y:
OS of 4100：
Europe version 4100
Japan version 4100
OS of 8100Y：
Europe version 8100Y
Japan version 8100Y
BIOS：
4100
http://www.mediafire.com/file/8vllmpd42lgvz3j/4100_BIOS.rar/file 60
8100Y
http://www.mediafire.com/file/3r55ugxze1guqh5/8100Y_BIOS.rar/file 481
（PS: If you think the minibook’s fan sounds too loud, you can try brushing the BIOS to improve it）
windows tutorial:
http://www.mediafire.com/file/5hvraiskbjsthi1/Mini_book_installation_windows_tutorial.docx/file 307
Europe version EC 8100Y:
http://chuwi.mediafire.com/file/6gwk9b4hslkra2t/2019-10-29%E6%AC%A7%E7%89%88EC.rar/file 6
EC Tutorial:
http://www.mediafire.com/file/cvxaa87rrdo01zi/MiniBook_EC_Tutorial.docx/file
Source: Chuwi forum