diff --git a/scripts/Launch.cmd b/scripts/Launch.cmd
index c6a91980..526ae4b3 100644
--- a/scripts/Launch.cmd
+++ b/scripts/Launch.cmd
@@ -31,13 +31,12 @@ for %%v in (ARCHIVE_PASSWORD KIT_NAME_FULL OFFICE_SERVER_IP QUICKBOOKS_SERVER_IP
 rem Set ARCH to 32 as a gross assumption and check for x86_64 status
 set ARCH=32
 if /i "%PROCESSOR_ARCHITECTURE%" == "AMD64" set "ARCH=64"
-set "SEVEN_ZIP=%bin%\7-Zip\7za.exe"
+set "SEVEN_ZIP=%bin%\7-Zip\7z.exe"
 set "CON=%bin%\ConEmu\ConEmu.exe"
 set "FASTCOPY=%bin%\FastCopy\FastCopy.exe"
 set "POWERSHELL=%systemroot%\system32\WindowsPowerShell\v1.0\powershell.exe"
 set "PYTHON=%bin%\Python\x32\python.exe"
 if %ARCH% equ 64 (
-  set "SEVEN_ZIP=%bin%\7-Zip\7za64.exe"
   set "CON=%bin%\ConEmu\ConEmu64.exe"
   set "FASTCOPY=%bin%\FastCopy\FastCopy64.exe"
   set "PYTHON=%bin%\Python\x64\python.exe"
diff --git a/scripts/wk/kit/build_win.py b/scripts/wk/kit/build_win.py
index 689e5ba6..97296458 100644
--- a/scripts/wk/kit/build_win.py
+++ b/scripts/wk/kit/build_win.py
@@ -47,8 +47,7 @@ REGEX_SDIO_NETWORK_DRIVERS = re.compile(
   re.IGNORECASE,
   )
 REGEX_TORRENT_INDICES = re.compile(r'^(?P<index>\d+)\|(?P<path>.*)')
-SEVEN_ZIP = get_tool_path('7-Zip', '7za')
-SEVEN_ZIP_FULL = get_tool_path('7-Zip', '7z', check=False) # TODO: Replace with unrar from Pypi?
+SEVEN_ZIP = get_tool_path('7-Zip', '7z')
 WIDTH = 50
 
 
@@ -427,17 +426,13 @@ def download_xmplay_music():
   # Extract SNES archives
   for item in music_tmp.joinpath('SNES').iterdir():
     cmd = [
-      SEVEN_ZIP_FULL,
+      SEVEN_ZIP,
       'x', item, f'-oSNES\\{item.stem}',
       '-bso0', '-bse0', '-bsp0',
       ]
     run_program(cmd)
     delete_item(item)
 
-  # Remove 7-Zip (Full) from kit
-  delete_item(SEVEN_ZIP_FULL)
-  delete_item(SEVEN_ZIP_FULL.with_name('7z.dll'))
-
   # Remove bad songs
   for game, globs in MUSIC_SNES_BAD.items():
     for glob in globs:
diff --git a/scripts/wk/kit/tools.py b/scripts/wk/kit/tools.py
index da3e69c4..b80cd3bb 100644
--- a/scripts/wk/kit/tools.py
+++ b/scripts/wk/kit/tools.py
@@ -104,7 +104,7 @@ def extract_archive(archive, out_path, *args, mode='x', silent=True):
   """Extract an archive to out_path."""
   out_path = pathlib.Path(out_path).resolve()
   out_path.parent.mkdir(parents=True, exist_ok=True)
-  cmd = [get_tool_path('7-Zip', '7za'), mode, archive, f'-o{out_path}', *args]
+  cmd = [get_tool_path('7-Zip', '7z'), mode, archive, f'-o{out_path}', *args]
   if silent:
     cmd.extend(['-bso0', '-bse0', '-bsp0'])
 
diff --git a/scripts/wk/repairs/win.py b/scripts/wk/repairs/win.py
index 478bcb56..bbce546b 100644
--- a/scripts/wk/repairs/win.py
+++ b/scripts/wk/repairs/win.py
@@ -70,7 +70,7 @@ from wk.std           import (
 # STATIC VARIABLES
 LOG = logging.getLogger(__name__)
 BACKUP_BROWSER_BASE_CMD = (
-  get_tool_path('7-Zip', '7za'),
+  get_tool_path('7-Zip', '7z'),
   'a', '-t7z', '-mx=1', '-bso0', '-bse0', '-bsp0',
   )
 CONEMU_EXE = get_tool_path('ConEmu', 'ConEmu', check=False)
diff --git a/setup/windows/build.ps1 b/setup/windows/build.ps1
index 5ef7685d..e245356b 100644
--- a/setup/windows/build.ps1
+++ b/setup/windows/build.ps1
@@ -87,7 +87,6 @@ if ($MyInvocation.InvocationName -ne ".") {
 
   # 7-Zip
   DownloadFile -Path $Temp -Name "7z-installer.msi" -Url $Sources.'7-Zip Installer'
-  DownloadFile -Path $Temp -Name "7z-extra.7z" -Url $Sources.'7-Zip Extra'
 
   # ConEmu
   DownloadFile -Path $Temp -Name "ConEmuPack.7z" -Url $Sources.'ConEmu'
@@ -125,24 +124,16 @@ if ($MyInvocation.InvocationName -ne ".") {
 
   ## Extract ##
   # 7-Zip
-  ## NOTE: 7z.exe & 7z.dll are left for build_kit_windows.py, they'll be removed by it
   Write-Host "Extracting: 7-Zip"
   try {
     $ArgumentList = @("/a", "$Temp\7z-installer.msi", "TARGETDIR=$Temp\7zi", "/qn")
     Start-Process -FilePath "$System32\msiexec.exe" -ArgumentList $ArgumentList -Wait
-    $SevenZip = "$Temp\7zi\Files\7-Zip\7z.exe"
-    $ArgumentList = @(
-      "x", "$Temp\7z-extra.7z", "-o$Bin\7-Zip",
-      "-aoa", "-bso0", "-bse0", "-bsp0",
-      "-x!x64\*.dll", "-x!Far", "-x!*.dll")
-    Start-Process -FilePath $SevenZip -ArgumentList $ArgumentList -NoNewWindow -Wait
-    Start-Sleep 1
-    Move-Item "$Temp\7zi\Files\7-Zip\7z.exe" "$Bin\7-Zip\7z.exe"
+    New-Item -Type Directory $Bin\7-Zip 2>&1 | Out-Null
     Move-Item "$Temp\7zi\Files\7-Zip\7z.dll" "$Bin\7-Zip\7z.dll"
-    Move-Item "$Bin\7-Zip\x64\7za.exe" "$Bin\7-Zip\7za64.exe"
-    Remove-Item "$Bin\7-Zip\x64" -Recurse
+    Move-Item "$Temp\7zi\Files\7-Zip\7z.exe" "$Bin\7-Zip\7z.exe"
+    Move-Item "$Temp\7zi\Files\7-Zip\License.txt" "$Bin\7-Zip\License.txt"
     Remove-Item "$Temp\7z*" -Recurse
-    $SevenZip = "$Bin\7-Zip\7za.exe"
+    $SevenZip = "$Bin\7-Zip\7z.exe"
   }
   catch {
     Write-Host ("  ERROR: Failed to extract files." ) -ForegroundColor "Red"