What optimisations are required after a clean install of Windows 11?

From everything I've seen you're better off just skipping vanilla Windows 11 and going for the LTSC version.

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First thing is to make sure Recall is not active.

To check if it's installed and active on your PC run the command prompt as administrator and type: dism /online /get-featureinfo /featurename:Recall
If it's installed and active then type this to turn it off: dism /online /disable-feature /featurename:Recall
 
Remove Recall, run this in Powershell with admin rights:

dism /online /disable-feature /FeatureName:Recall

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Disable hibernation, also in Powershell:

powercfg.exe /hibernate off

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Set platform clocks. And make sure HPET is enabled in the UEFI, because other clocks depend on it.

bcdedit /set disabledynamictick yes

bcdedit /deletevalue useplatformclock

bcdedit /deletevalue useplatformtick

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Remove Widgets, also in Powershell

Get-AppxPackage *WebExperience* | Remove-AppxPackage
 
I'd say turn off fast startup
it really does nothing for startup speed actually (unless it's hdd)
sometimes programs ask you to restart. you say "hmm I will do it later". then you go "hmm I will sleep, so let me turn off the PC, and when I open it tomorrow, it will be as if restarted" wrong!
with fast start up enabled, the PC never truly turns off. drivers that are already loaded are never discarded when you turn the PC off with fast startup enabled. as such, those programs that ask you to restart but you did your own way? good luck, program won't function correctly
if you however disable fast startup, when you turn off the PC it will truly turn off. so it will be as if you restarted the PC in a clean slate when you open it again. I mean it is not really that big of a deal, when you manually restart, program would then run correctly. but why bother? fast startup makes no sense. it really doesn't speed up boot times meaningfully

I'd say don't touch any services or something like that. leave them be. leave everything to default, really. it just works. don't tweak stuff. never ever uninstall xbox app, game bar or related things.

if you're not using edge, consider disabling its "fast startup" feature too. it practically makes edge run in the background all the time "ready to be launched at any time". well it is already really fast with SSD. and if you're not going to use it, might as well disable it. it is in edge's "performance" settings

you can enable "optimizations for windowed games" in graphics settings if it is not enabled by default. it automatically upgrades old dx9 and dx11 games to a modern swapchain. with this, your dx9 and dx11 games will be super compatible with alt tabbing and have low latency even in borderless mode. it is really great. but there's a reason it is not enabled by default, it can actually cause issues with some games... so you can also set it for a specific game you want to play. just know that it's an option.

if you're VRAM limited, I can give more you tweaks and tricks but if you're not, there really is nothing much to do
 
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Remove Recall, run this in Powershell with admin rights:

dism /online /disable-feature /FeatureName:Recall

-------------------

Disable hibernation, also in Powershell:

powercfg.exe /hibernate off

------------------

Set platform clocks. And make sure HPET is enabled in the UEFI, because other clocks depend on it.

bcdedit /set disabledynamictick yes

bcdedit /deletevalue useplatformclock

bcdedit /deletevalue useplatformtick

------------------

Remove Widgets, also in Powershell

Get-AppxPackage *WebExperience* | Remove-AppxPackage

Some of this is done with the Chris Titus utility that Dirk Benedict Dirk Benedict linked to. Or at least the option to is.
 
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You guys should try tiny 11. I haven't because bazzite has been so great for my non multiplayer ass, but I am on the verge of throwing it in a system just to try.
 
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I recommend this site which creates an xml file to help automate and debloat Windows 10 or 11 installation including bypassing the CPU and MS account requirements for Windows 11.
 
I used this when I first installed Win11.

Used the same on my last W11 install. I know there are other programs out there that do the same, but his provides a pretty good set of things you can turn off, and essentially a better version of Ninite where it gives you a laundry list of apps to bulk-install for convenience...including a few I hadn't heard of that looked interesting.
 

Microsoft admits these two Windows 11/10 features definitely slow your PC down


Aside from those Microsoft also pointed out a couple of Windows 10 and 11 features that can make the system feel sluggish. The company has acknowledged that though cloud syncing of your files via OneDrive is important which is why the company keeps it enabled by default, this can lead to slowdowns. It writes: "OneDrive by default sync files ..... This lets you get to your files from any device that can connect to the internet, and it helps make sure your files are backed up in case your PC is ever damaged or lost. However, .... syncing can slow down your PC. You can pause OneDrive syncing temporarily and see if it helps improve your PC performance."
Besides OneDrive sync, Microsoft has also highlighted how the various Windows 11 visual effects can also slow your PC. In fact there is even a dedicated option for it in your PC to disable such effects if you feel they are too heavy for your device.

Microsoft writes: "Windows 11 includes many visual effects, such as animations and shadow effects. These look great, but they can also use additional system resources and can slow down your PC. This is especially true if you have a PC with a smaller amount of memory (RAM)."

If you are wondering, it can be accessed by typing "performance" in the Windows Search and then selecting "Adjust the appearance and performance of Windows". After the Performance Options dialog box opens, select the "Adjust for best performance" option under the Visual Effects tab.

In summary, remove Onedrive. Or disable it.
And set Visual Effects to Performance.
I do recommend leaving the option "Smooth edges of screen fonts" enabled. Otherwise, fonts will look a bit aliased.
 
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