The following steps were recorded when I configure my Windows 8.1 64-bit system. For reference only.

1. UAC

• Settings -> Control Panel -> User Accounts -> Change User Account Control settings
• Choose "Never notify"

2. DPI

• Right click on desktop -> Screen resolution -> Make text and other items larger or smaller
• Choose "Medium - 125%"
• Check "Let me choose one scaling level for all my displays"
• Sign out & in
• Right click on desktop -> View -> Small icons

3. Animate Effects

• Settings -> Control Panel -> System -> Advanced system settings
• Advanced -> Performance -> Settings... -> Visual Effects -> Uncheck all animate effects

4. Classic Shell

• Install Classic Shell (Do not install Classic IE9 and Update) (Download)
• Config
• File Explorer -> Hide Classic Explorer Bar

5. 7+ Taskbar Tweak

• Install 7+ Taskbar Tweak (Download)
• Config

6. Taskbar and Navigation properties

• Right click on taskbar -> Properties
• Taskbar -> Check "Auto-hide the taskbar"
• Taskbar -> Check "Use small taskbar buttons"
• Taskbar -> Taskbar buttons: Never combine
• Jump Lists -> Uncheck "Store and display recently opened items in Jump Lists"

7. Install Drivers

8. Default Font

• Use Windows 8 Font Changer (Download) to modify the default font to Tahoma
• Restart
• Adjust ClearType

9. Region

• Settings -> Control Panel -> Region
• Short date: yyyy-M-d
• First day of week: 星期日

10. Keyboard Shortcuts Underline

• Settings -> Control Panel -> Ease of Access Center -> Make the keyboard easier to use -> Make it easier to use keyboard shortcuts
• Check "Underline keyboard shortcuts and access keys"
• Check "Prevent windows from being automatically arranged when moved to the edge of the screen"

11. AutoPlay

• Start -> Control Panel -> AutoPlay
• Uncheck "Use AutoPlay for all media and devices"
• Each selection remains the default "Choose a default"

• Run "gpedit.msc"
• User Configuration -> Administrative Templates -> Windows Components -> AutoPlay Policies -> Turn off AutoPlay -> Enabled on All drives
• Computer Configuration -> Administrative Templates -> Windows Components -> AutoPlay Policies -> Turn off AutoPlay -> Enabled on All drives

12. Built-in CD Burning

• Run "gpedit.msc"
• User Configuration -> Administrative Templates -> Windows Components -> File Explorer -> Remove CD Burning features -> Enabled

13. Temp Folder (optional)

• Start -> Control Panel -> System -> Advanced system settings
• Advanced -> Environment Variables...
• Set TEMP, TMP = F:\Temp
• Clear original files (%USERPROFILE%\AppData\Local\Temp)

14. Folder Recognition

• Run Restore_Default_Folder_Templates.bat (Download)
• Run All_Folders_Use_General_Items_Folder_Template.bat (Same download page as above)

15. Hide Library Folders

• Hide library folders referring to Windows 8.1: Hide Library Folders in My Computer

16. Set Folder Default View

17. Zip Folder

• Import Disable_ZIP_Compressed_Folders.reg

• Import Disable_CAB_Files.reg

18. Compression Software

• Install WinRAR or 7-zip

19. Configs

• Config Sounds (Set to no sounds)
• Config Windows Color
• Config Quick Launch Bar

20. Install Input Method

21. Language

• Start -> Control Panel -> Language
• Advanced Settings -> Switching input methods -> Let me set a different input method for each app window
• Change language bar hot keys -> Between input languages: Ctrl + Shift
• Config as the following screenshots:

22. AutoHotkey

• Install AutoHotkey
• Edit the startup script as below:

23. WinSAT Scheduled Task

• Start -> Control Panel -> Administrative Tools -> Task Scheduler
• Task Scheduler Library -> Microsoft -> Windows -> Maintenance
• Right click WinSAT, and choose "Disable"

24. Set Power Options