Any way to make Windows 10 look exactly the same as 7?

Here is how to make Windows 10 feel like Windows 7:
This was copy-pasted from a PM I had with OP.
Depending on which Windows version you're upgrading to, steps may differ.
Part 0: Something that I forgot for the feel
1. Gadgets as well: 8gadgetpack.net
Part 1: Registry
1. Import all Registry files I have. Some are my personal ones, so you have to modify them. They are attached below in a zip file, so you don't have to do it all manually.
Part 2: File replacing (Most difficult part)
1. Get ExecTI and run cmd
2. Grab these files from Windows 7 System32:
- input.dll and System32\en-us\input.dll.mui
- intl.cpl and System32\en-us\intl.cpl.mui
- netplwiz.dll and System32\en-US\netplwiz.dll.mui (Provided, no need to manually search for them)
Grab these files from Windows 8.1 System32 (not functioning but useful for looks):
- sud.dll and System32\en-US\sud.dll
- smartscreensettings.exe and smartscreensettings.exe.mui
Depending on if you're in Windows 10 version 1607 (LTSB 2016):
Get these files from Windows 8.1 System32:
- themecpl.dll and System32\en-us\themecpl.dll (Not recommended and optional, there is a way to modify the existing one)
- display.dll and System32\en-US\display.dll
2. Back up the existing files from System32 and System32\en-US
3. Copy the files by doing the xcopy thing, .dll and .exes go to System32 and .mui files go to System32\en-US (If on 1903 and up, sud.dll is in SystemResources and is sud.dll.mun)
Part 3: Modifying vanilla themecpl.dll
1. Use ExecTI to run Resource Hacker
2. Open themecpl.dll (If on 1809 or lower) or themecpl.dll.mun (1903 or higher)
3. Find this line: <NavigateButton id="atom(DesktopBackgroundNavigateButton)" layoutpos="top" layout="verticalflowlayout(0,2)" sheet="PersonalizationHubStyle" class="ThemeElementGroup" active="keyboard" shellexecute="ms-settings:personalization-background" accname="Desktop Background">
4. Replace shellexecute="ms-settings:personalization-background" with navigationtargetrelative="pageWallpaper"
5. Find this line: <NavigateButton layoutpos="top" layout="verticalflowlayout(0,2)" sheet="PersonalizationHubStyle" class="ThemeElementGroup" active="keyboard" shellexecute="ms-settings:personalization-colors" accname="Color">
6. Replace shellexecute="ms-settings:personalization-colors" with navigationtargetrelative="pageColorization"
Part 4: Replacements for Control Panel Applets that are missing
1. Replacement for Windows Update:
- It's called "Windows Update Minitool", I just replaced the icon and some text for the x64 version. Import the windows update reg file in the replacements folder.
- There is also a scheduled task as the .xml file. Import it.
- In the scheduled task, replace "I:\Control Panel Stuff\Windows Update\wucpl.exe" with the path that you have Windows Update Minitool in.
- You can also make it manually.
2. Replacement for Default Programs
- It's just a generic one, I have another registry entry for it in the same "Replacements" folder.
- After importing, go to the CLSID that it has and replace the I:\ path with the path where you have the program in
3. Replacement for User Accounts
- It's a Windows built-in tool, which is netplwiz.exe.
- The instructions and registry file is here: www.tenforums.com/tutorials/147578-add-advanced-user-accounts-control-panel-windows-7-8-10-a.html
Currently there is no good replacement for Display.
Part 5: Profit. If you want me to provide the files needed, also let me know.

Edit: Forgot to attach files

Im sorry to necro this post, but I am trying to follow the steps provided as I am getting back into the windows theming scene again after a long time (windows vista days), and maybe I am just an idiot for not understanding, but how do you add the registry files? Are you using an elevated terminal to add the files? They claim to be in use by the system and can not add the keys. Anyway around this? Everything else is pretty self explanatory.

No need to be so dramatic and use red fonts. Yes, regedit WILL break if you use 7tsp, but it's easily fixable, just run sfc /scanfile=C:\Windows\regedit.exe in an administrator command prompt.