进入救援模式，选ubuntu,

sudo su

• wget -O- ‘https://mirror.joodle.nl/WindowsServer2016Evaluation-Template.gz’ | gunzip | dd of=/dev/sda

Username: Administrator
Password: Password147

Windows Server 2016从Evaluation评估版转换成正式版
开始—运行—CMD(管理员模式);
DISM /online /Set-Edition:ServerStandard /ProductKey:WC2BQ-8NRM3-FDDYY-2BFGV-KHKQY /AcceptEula
重启

• wget -O- ‘https://mirror.joodle.nl/window10-2018-12-x64.gz’ | gunzip | dd of=/dev/sda

• Username: User
• Password: Abc123

Please change the password as soon as you login.

Install drivers from c:\drivers then delete the drivers folder.

Expand the c:\ drive by opening “Computer Management”, Disk Management console. Don’t forget to initialize other hard drives.