Registry keys I personally apply on all my systems to clean up the interface and make the Windows experience less frustrating

registry.reg

Windows Registry Editor Version 5.00

; remove pin to quick access in context menu

[-HKEY_CLASSES_ROOT\Folder\shell\pintohome]

[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shell\pintohome]

; hide frequent folders in quick access
; hide recent folders in quick access

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer]
"ShowFrequent"=dword:00000000
"ShowRecent"=dword:00000000

; hide quick access from File Explorer

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer]
"HubMode"=dword:00000001

; launch File Explorer to this pc

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"LaunchTo"=dword:00000001

; turn off display of recent search entries in the File Explorer search box

[HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\Explorer]
"DisableSearchBoxSuggestions"=dword:00000001

; clear history of recently opened documents on exit

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"ClearRecentDocsOnExit"=dword:00000001

; disable recent items and frequent places in File Explorer and quick access

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"Start_TrackDocs"=dword:00000000

; remove 3D objects from explorer pane

[-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace\{0DB7E03F-FC29-4DC6-9020-FF41B59E513A}]

[-HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace\{0DB7E03F-FC29-4DC6-9020-FF41B59E513A}]

; restore old context menu

[HKEY_CURRENT_USER\SOFTWARE\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}]
@=""

[HKEY_CURRENT_USER\SOFTWARE\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32]
@=""

; disable windows startup delay

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Serialize]
"StartupDelayInMSec"=dword:00000000

; remove 400ms delay when opening submenus in context menu

[HKEY_CURRENT_USER\Control Panel\Desktop]
"MenuShowDelay"="0"

; remove annoying repeat delay when holding down a key on the keyboard

[HKEY_CURRENT_USER\Control Panel\Keyboard]
"KeyboardSpeed"="31"
"KeyboardDelay"="0"

; disable automatic folder type detection to prevent changing views in explorer

[HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell]
"FolderType"="NotSpecified"

; set taskbar thumbnail preview delay to a large value to effectively disable them

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"ExtendedUIHoverTime"=dword:fffffffe