GO TIN FOIL
Go offline.
Set your system cleaner to 35x gutmann encryption wipe before bedtime (this takes a while):
……
RAM cleaned
MFT entries cleaned
USN entries cleaned
$LogFile entries cleaned
free harddrive sectors cleaned
%Recycle Bin% cleaned
.sqlite browser caches cleaned
.sqlite-shm browser caches cleaned
.sqlite-wal browser caches cleaned
.json browser caches cleaned
.log browser caches cleaned
CryptnetUrl caches cleaned
system registry caches cleaned
system PREFETCH caches cleaned
…….
Reboot lastest fresh copy of operating system.
PROCEED WITH ALUMINUM.