Monthly Archives: February 2018

How to deal with error 0xc03f6506 when upgrading stubborn Windows 10 Home Edition machines to Pro using a VLK

So, the machine auto-activates Windows 10 Home Edition at install time. No prompts, no nothing. You insert the generic upgrade key, and it throws an unhelpful error message back at you: This probably surprises nobody, but trying again, as the above message suggests, will not work for you. The solution? Stuff the install media (in […]

Shrinking a Windows 10 installation for small harddrives

Cheap Windows 10 capable devices often come with very limited internal storage space. To make use of this, it is of course crucial that Windows itself takes up as little space as possible. To combat the bloat, there’s a little known feature in compact.exe, the built-in disk compression tool, that compresses the operating system itself, […]