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hey great news for everybody who actually wants to upgrade their pcs to Windows 11 the system requirements don't

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look too onerous in terms of how powerful a machine you'll need but if

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you look down the list you'll see something called trusted platform module

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2.0 which would be fine if everyone knew

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what the heck that was well as the word trusted might imply a tpm is a chip

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that's responsible for some of your pc's encryption features it can both generate

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and store encryption keys used for a variety of applications and the really

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cool thing is that tpms even feature true random number generators

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so random you see typical software based random number generators take an initial

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number called a seed and run it through some algorithms which spit out a pseudo

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random number because the outcome is partly determined by what that seed is

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these numbers aren't completely random tpms on the other hand can use truly

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random natural phenomena like temperature fluctuations to generate

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numbers and encryption keys that are more unpredictable and thus more secure

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you don't know where i'm going to come in that's how it works

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but how does Windows actually use the features of a tpm one big time tpm

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application is device encryption which encrypts your entire hard drive or SSD

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storing the encryption key on the tpm when you boot up your computer and log

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in with the correct password the tpm provides the key to decrypt the drive

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and allow you to continue whatever you do

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on your computer in this way if someone tries to steal your drive and plug it

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into another pc to access your data it won't work without a recovery key and

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even if an attacker tries to steal your data without physically removing the

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drive from your pc like say they bypass the Windows login by booting a different

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os from a usb stick tpm can protect from that as well sounds like a good thing

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for an os to have tpms also have other benefits aside from drive encryption

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Windows and other programs like web browsers can store keys and certificates

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inside a tpm so that they don't have to live in your system RAM which is easier

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for malware to exploit tpms can lock your system down for a period of time

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after too many incorrect pin guesses and tpms can even detect if malicious code

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has made any changes to your BIOS they do a little bit of everything so it's

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pretty obvious why having a tpm in your system is a good idea but why is Windows

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11 requiring it well malware attacks

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especially ransomware that have specifically targeted a computer's

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firmware have been on the Ryzen recent years which can bypass software

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protections built into the operating system a tpm in conjunction with secure

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boot which authenticates your pc's firmware and os when it starts up can

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help prevent these low-level attacks and since they're becoming more common

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microsoft obviously has a vested interest in ensuring Windows doesn't

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gain a reputation for being an operating system with poor security which is what

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apple apparently thinks of macOS but how easy is it to get a tpm is it

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expensive do i have one already am i a

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tpm well there's good and bad news here

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most pcs manufactured since about 2016 should have tpm 2.0 especially as modern

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cpus have it baked in in an implementation called ftpm with the f

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standing for firmware if your CPU

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doesn't have tpm 2.0 you can get yourself an add-on chip that should

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connect to your motherboard at least on desktops these have traditionally been

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rather inexpensive though there have been some reports of scalping recently

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after microsoft announced the requirement regardless you'll want to

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make sure that tpm is enabled in your BIOS as some people have failed Windows

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11 compatibility checks because the tpm that is there is just not enabled

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confusingly however microsoft has seemed to suggest that systems with the older

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tpm 1.2 might still be able to upgrade

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to Windows 11 with the caveat that doing so is not advised and they've also

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published a list of compatible cpus which seems to imply anything older than

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Intel 8th gen or ryzen 2nd gen aren't compatible and while there's speculation

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this might be just because these chips all have tpm 2.0 support we don't know

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at this point whether older cpus will flat out refuse to run Windows 11 even

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with an add-on chip once it officially launches in late 2021 or what other

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changes microsoft might make before release so hopefully you didn't drop two

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grand on a kb lake system that'll miss out on the return of those beautiful

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desktop widgets that we all definitely want

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i can't imagine anything i'd regret more one thing you would definitely not

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below well i certainly don't regret the fact that you made it this far into the

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video thanks for watching i really appreciate you hey you know what you can

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like the video you can dislike the video you can check out our other videos and

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comment below with video suggestions and that's all that's all in your power to

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do because i believe you can do it

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subscribe and follow too i guess i don't know