diff --git a/Essentials/dotnet481.yml b/Essentials/dotnet481.yml
new file mode 100644
index 0000000..0507770
--- /dev/null
+++ b/Essentials/dotnet481.yml
@@ -0,0 +1,24 @@
+Name: dotnet481
+Description: Microsoft .NET Framework 4.8.1
+Provider: Microsoft
+License: Microsoft EULA
+License_url: https://www.microsoft.com/web/webpi/eula/net_library_eula_enu.htm
+Conflicts:
+  - mono
+Steps:
+  - action: uninstall
+    file_name: Wine Mono
+
+  - action: install_exe
+    environment:
+      WINEDLLOVERRIDES: fusion=b
+    file_name: NDP481-x86-x64-AllOS-ENU.exe
+    url: https://download.microsoft.com/download/4/b/2/cd00d4ed-ebdd-49ee-8a33-eabc3d1030e3/NDP481-x86-x64-AllOS-ENU.exe
+    rename: dotnet481.exe
+    file_checksum: ead82f7ab00fc5847c4d7c292f424267
+    file_size: 77688504
+    arguments: /q /norestart
+
+  - action: override_dll
+    dll: mscoree
+    type: native
diff --git a/Essentials/dotnetcoredesktop8.yml b/Essentials/dotnetcoredesktop8.yml
index 624de7c..e5b4fc3 100644
--- a/Essentials/dotnetcoredesktop8.yml
+++ b/Essentials/dotnetcoredesktop8.yml
@@ -3,22 +3,19 @@ Description: Microsoft .NET Core Desktop Runtime 8.0 LTS
 Provider: Microsoft
 License: Microsoft EULA
 License_url: https://www.microsoft.com/web/webpi/eula/net_library_eula_enu.htm
-Dependencies: []
 Steps:
-- action: install_exe
-  file_name: windowsdesktop-runtime-8.0.4-win-x86.exe
-  url: https://download.visualstudio.microsoft.com/download/pr/1fbf5c5f-9770-402d-8971-83da662d8cf9/4e37b3c24bcb6004875b9f8b08024303/windowsdesktop-runtime-8.0.4-win-x86.exe
-  rename: windowsdesktop-runtime-8.0.4-win-x86.exe
-  file_checksum: 462d5e365c384e08539d075d6176b0e5
-  file_size: 53554592
-  arguments: /quiet
-  
-- action: install_exe
-  file_name: windowsdesktop-runtime-8.0.4-win-x64.exe
-  url: https://download.visualstudio.microsoft.com/download/pr/c1d08a81-6e65-4065-b606-ed1127a954d3/14fe55b8a73ebba2b05432b162ab3aa8/windowsdesktop-runtime-8.0.4-win-x64.exe
-  rename: windowsdesktop-runtime-8.0.4-win-x64.exe
-  file_checksum: 4ed51a4f5c761cf37a8841ebb40c5191
-  file_size: 58449920
-  arguments: /quiet
-  for:
-    - win64
+  - action: install_exe
+    file_name: windowsdesktop-runtime-8.0.12-win-x86.exe
+    url: https://download.visualstudio.microsoft.com/download/pr/acf6e5d3-1e2f-4072-833c-fa84a10841c5/acd48342207247f404a5aaa58d1a1ea1/windowsdesktop-runtime-8.0.12-win-x86.exe
+    file_checksum: 8be3c9789f9037fbdb944089eb607b9a
+    file_size: 53873240
+    arguments: /quiet
+
+  - action: install_exe
+    file_name: windowsdesktop-runtime-8.0.12-win-x64.exe
+    url: https://download.visualstudio.microsoft.com/download/pr/f1e7ffc8-c278-4339-b460-517420724524/f36bb75b2e86a52338c4d3a90f8dac9b/windowsdesktop-runtime-8.0.12-win-x64.exe
+    file_checksum: d34739d43f7495e54da045362d9550cb
+    file_size: 58514712
+    arguments: /quiet
+    for:
+      - win64
diff --git a/Essentials/dotnetcoredesktop9.yml b/Essentials/dotnetcoredesktop9.yml
new file mode 100644
index 0000000..4cbd063
--- /dev/null
+++ b/Essentials/dotnetcoredesktop9.yml
@@ -0,0 +1,21 @@
+Name: dotnetcoredesktop9
+Description: Microsoft .NET Core Desktop Runtime 9.0
+Provider: Microsoft
+License: Microsoft EULA
+License_url: https://www.microsoft.com/web/webpi/eula/net_library_eula_enu.htm
+Steps:
+  - action: install_exe
+    file_name: windowsdesktop-runtime-9.0.1-win-x86.exe
+    url: https://download.visualstudio.microsoft.com/download/pr/dcd86c7a-9e55-4cc0-8c71-b99ece1350c4/7cc9c0996933075f56ad69c1169e0c1c/windowsdesktop-runtime-9.0.1-win-x86.exe
+    file_checksum: af9d879b0f68d24b05c1c967ca9bc4fb
+    file_size: 55358544
+    arguments: /quiet
+
+  - action: install_exe
+    file_name: windowsdesktop-runtime-9.0.1-win-x64.exe
+    url: https://download.visualstudio.microsoft.com/download/pr/ae0291d4-bcdc-4e56-a952-4f7d84bf2673/1bc4a93f466aab309776931e5a5c4eb4/windowsdesktop-runtime-9.0.1-win-x64.exe
+    file_checksum: e4227cd1a5bd8ef9ce567ff26f2578c6
+    file_size: 60735448
+    arguments: /quiet
+    for:
+      - win64
diff --git a/index.yml b/index.yml
index 7d0001e..b0b6d49 100644
--- a/index.yml
+++ b/index.yml
@@ -81,6 +81,9 @@ dotnet472:
 dotnet48:
   Description: Microsoft .NET Framework 4.8
   Category: Essentials
+dotnet481:
+  Description: Microsoft .NET Framework 4.8.1
+  Category: Essentials
 dotnetcore3:
   Description: Microsoft .NET Core Runtime 3.1 LTS
   Category: Essentials
@@ -96,6 +99,9 @@ dotnetcoredesktop7:
 dotnetcoredesktop8:
   Description: Microsoft .NET Core Desktop Runtime 8.0 LTS
   Category: Essentials
+dotnetcoredesktop9:
+  Description: Microsoft .NET Core Desktop Runtime 9.0
+  Category: Essentials
 
 # GENERIC
 # ------------------------------