1. Install ThemeTool.exe

Releases · namazso/SecureUxTheme
🎨 A secure boot compatible in-memory UxTheme patcher - namazso/SecureUxTheme
  • Run the ThemeTool.exe by Administrator
  • Select "Hook LogonUI" only
  • Then click on "Install"
  • Reboot the computer to apply the changes.

2. Download Big Sur theme

Big Sur Windows 10 Suite - Enable Windows 10 Theme Customization
Do you want new style in your desktop? Here is the new theme for Windows 10 users. This is realy awsome theme, enjoy it and have fun! Operating System Support: Windows 10 : 1903 – 2004 , (Not tested on older and new builds) Author : niivu Note : First it is recommended you make […]
  • Unzip the downloaded zip
  • Go to path "\Themes\Thin Taskbar"
  • Copy all theme/files inside the folder
  • Paste theme files to "C:\Windows\Resources\Themes"
  • Open the ThemeTool.exe in the step (1) by Administration again
  • Select any "Big Sur" theme you like
  • Click "Patch and apply"

3. Change Desktop Background to Mac OS Big Sur 4k Wallpaper

macos big sur wallpaper 4k - Penelusuran Google

4. Change Windows Icons to Big Sur Theme

  • Download Macpac Icon Theme

https://www.deviantart.com/niivu/art/macpac-Icon-Theme-801554621

  • Unzip the file and remove the file tail ".remove" then the file's name changed to ".7z"
  • Download 7TSP GUI 2019 Edition

https://www.deviantart.com/devillnside/art/7TSP-GUI-2019-Edition-804769422

  • Change the file name ".ee" to ".exe" to execute the file.
  • Open the file "7tsp GUI v0.6(2019).exe"
  • Select "Add a Custom Pack"
  • Choice the file ".7z" of Macpac Icon Theme
  • Click "Start Patching"
  • Reboot the computer to apply the changes.

5. Install Widgets

https://www.deviantart.com/fediafedia/art/Big-Sur-BETA-3-for-Rainmeter-846882462

6. Install Dock

  • Download Rocket Dock
Punk Labs
We make games, apps, things and stuff.
  • Install Rocket Dock Skin

https://www.deviantart.com/maiguris/art/macOS-BigSur-For-RocketDock-847338077

  • Unzip the Rocket Skin zip file then copy all folder to the Rocket Dock skins "C:\Program Files (x86)\RocketDock\Skins"
  • Open Dock Setting (by right click) then change Position to "Bottom" and Style to "Big Sur"
  • Now you can go to task bar setting and hide it
  • Remove the default icon/app in the Dock.
  • Copy icons in "macOS BigSur ICONS by Maiguris" (folder inside the skins zip above) to "C:\Program Files (x86)\RocketDock\Icons".
  • Add Items to the Dock by Icon and Setting Open Program by Path.

7. Change the Mouse Cursor

https://www.deviantart.com/diamond8fighter/art/macOS-cursors-for-Windows-849162315

  • Right click on ".Install.inf" and click "Install"
  • Go the the mouse setting (additional mouse options) and change the theme

All software in this post you can easily download here

https://drive.google.com/file/d/1EunXnyq8CGDu9_H7UCczATdi6jHQTUt6/view?usp=sharing