How to install Parted Magic with Rufus
需要有一个usb做启动盘
Rufus - Create bootable USB drives the easy way
Unlock encrypted drive with Parted Magic PSID Unlocker
硬盘加密的话，需要先解除
bios的启动选项，需要添加mbr
secure boot设置为off
storage需要设置AHCI
manage-bde -status C:BitLocker Drive Encryption: Configuration Tool version 10.0.22621Copyright (C) 2013 Microsoft Corporation. All rights reserved.
ERROR: An attempt to access a required resource was denied.
manage-bde -unlock C: -RecoveryPassword
安装win10专业版，然后powershell执行命令 (Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey ，这样可以拿到激活码。企业购买的dell电脑绑定了激活码的。