I need some help I recently crashed my Windows operating system I'd wipe the system it's my only computer my daughter uses it for school I am trying to install Linux but I'm running into a problem the only operating system I have to do any computing is hirens boot CD PE Windows 10 and it's a bare-bones strip down operating system with minimal drivers tons of applications but difficulty installing any of my own applications it keeps crashing freezing and rebooting it every time it does this I lose all of my work all of my programs that were installed or saved to the operating system are now deleted I just downloaded Ubuntu mate 16.04 TLS I'm trying to verify the checksum of the file or the sha256. Would you be so kind as to provide me with some instruction as I am about to pull all my hair out thank you very much in a pleasant