• Set up Privacy & Telemetry;
• Turn off diagnostics tracking scheduled tasks;
• Set up UI & Personalization;
• Interactive prompts;
• Change %TEMP% environment variable path to %SystemDrive%\Temp
• Change location of the user folders programmatically (without moving user files) within interactive menu using up/down arrows and Enter key to make a selection
  • "Desktop";
  • "Documents";
  • "Downloads";
  • "Music";
  • "Pictures"
  • "Videos.
• Uninstall UWP apps from all accounts;
• Turn off Windows features;
• Create a Windows cleaning up task in the Task Scheduler;
• Create tasks in the Task Scheduler to clear
  • %SystemRoot%\SoftwareDistribution\Download
  • %TEMP%
• Add exclusion folder from Microsoft Defender Antivirus scanning using dialog menu;
• Add exclusion file from Microsoft Defender Antivirus scanning using dialog menu;
• Refresh desktop icons, environment variables and taskbar without restarting File Explorer;
• Many more File Explorer and context menu "deep" tweaks.

To run the script:

• Download up-to-date version;
• Expand the archive;
• Check whether .ps1 is encoded in UTF-8 with BOM;
• Run .ps1 file via powershell.exe;
  • Or Start.cmd as Administrator. The script will start immediately.

Read the code you run carefully. Some functions are presented as an example only. You must be aware of the meaning of the functions in the code. If you're not sure what the script does, do not run it. Strongly recommended to run the script after fresh installation. Some of functions can be run also on LTSB/LTSC and on older versions of Windows and PowerShell (not recommended to run on the x86 systems).

• Habr
• Ru-Board
• 4PDA
• My Digital Life
• Reddit