Installer: Don't use CompactOS if not on Windows 10.

+ Fixed "access denied" error when accessing EFIESP & DPP mount points on Windows 8.1.
+ Removed wimlib-imagex as DISM is actually faster when decompressing.

Installer.cmd

@@ -515,7 +515,7 @@ format %Win10Drive% /FS:NTFS /V:Windows10 /Q /C /Y %SevLogger%
 echo ========================================================= >>"%LogName%"
 echo %ESC%[97m[INFO] Installing Windows 10 ARM ...%ESC%[91m
 if %WinBuild% LSS 10240 (
-	Files\wimlib-imagex apply install.wim 1 %Win10Drive%\ --compact=lzx %SevLogger%
+	Files\DISM\dism /Apply-Image /ImageFile:".\install.wim" /Index:1 /ApplyDir:%Win10Drive%\ %SevLogger%
 ) else (
 	Files\DISM\dism /Apply-Image /ImageFile:".\install.wim" /Index:1 /ApplyDir:%Win10Drive%\ /Compact %SevLogger%
 )

README.md

@@ -89,7 +89,6 @@ If you wish to redistribute such files without `LICENSE-SCRIPTS.txt`, you should
 | Git            | Git for Windows project     | 2.43.0.1 (MinGit busybox)       | [GitHub](https://github.com/git-for-windows/git/releases/tag/v2.43.0.windows.1) |
 | dsfo           | Dariusz Stanislawek         | 1.03                            | [Softpaz](https://www.softpaz.com/software/download-dsfok-windows-7269.htm) |
 | VhdxTool       | Systola GmbH                | 2016.8.19                       | [Systola](https://systola.com/support/kb100005) |
-| wimlib-imagex  | wimlib project              | 1.14.1                          | [wimlib](https://wimlib.net/index.html) |
 
 Source code for some of these softwares are available under `Files/Source code`.