diff --git a/.github/workflows/win.yml b/.github/workflows/win.yml
index f8fd718bcb..fbb0d73a66 100644
--- a/.github/workflows/win.yml
+++ b/.github/workflows/win.yml
@@ -81,16 +81,12 @@ jobs:
 
       - name: Choco installs.
         run: |
-          choco install --no-progress -y nasm strawberryperl yasm jom ninja
+          choco install --no-progress -y jom
           py -m pip install pywin32
 
       - name: Set up environment paths.
         shell: bash
         run: |
-          echo "C:\\Strawberry\\perl\\bin\\" >> $GITHUB_PATH
-          echo "C:\\Program Files\\NASM\\" >> $GITHUB_PATH
-          echo "C:\\ProgramData\\chocolatey\\lib\\ninja\\tools\\" >> $GITHUB_PATH
-
           echo "CACHE_KEY=$(sha256sum $TBUILD/$REPO_NAME/$PREPARE_PATH | awk '{ print $1 }')" >> $GITHUB_ENV
 
           echo "Configurate git for cherry-picks."
diff --git a/Telegram/build/prepare/prepare.py b/Telegram/build/prepare/prepare.py
index e2e1a2e3cb..e4e4f2a281 100644
--- a/Telegram/build/prepare/prepare.py
+++ b/Telegram/build/prepare/prepare.py
@@ -61,14 +61,11 @@ if not os.path.isdir(os.path.join(thirdPartyDir, keysLoc)):
     pathlib.Path(os.path.join(thirdPartyDir, keysLoc)).mkdir(parents=True, exist_ok=True)
 
 pathPrefixes = [
-    'ThirdParty\\msys64\\usr\\bin',
-    'ThirdParty\\Strawberry\\perl\\bin',
+    'ThirdParty\\msys64\\mingw64\\bin',
     'ThirdParty\\Python39',
-    'ThirdParty\\NASM',
     'ThirdParty\\jom',
     'ThirdParty\\cmake\\bin',
     'ThirdParty\\gyp',
-    'ThirdParty\\Ninja',
 ] if win else [
     'ThirdParty/gyp',
     'ThirdParty/yasm',
@@ -405,9 +402,20 @@ stage('patches', """
 
 stage('msys64', """
 win:
-    powershell.exe -Command "Invoke-WebRequest -OutFile ./msys64.exe https://repo.msys2.org/distrib/x86_64/msys2-base-x86_64-20220603.sfx.exe"
+    SET PATH_BACKUP_=%PATH%
+    SET PATH=%ROOT_DIR%\\ThirdParty\\msys64\\usr\\bin;%PATH%
+
+    SET CHERE_INVOKING=enabled_from_arguments
+    SET MSYS2_PATH_TYPE=inherit
+
+    powershell -Command "Invoke-WebRequest -OutFile ./msys64.exe https://repo.msys2.org/distrib/x86_64/msys2-base-x86_64-20220603.sfx.exe"
     msys64.exe
     del msys64.exe
+
+    bash -c "pacman-key --init; pacman-key --populate; pacman -Syu --noconfirm"
+    pacman -S --noconfirm mingw-w64-x86_64-perl mingw-w64-x86_64-nasm mingw-w64-x86_64-yasm mingw-w64-x86_64-ninja
+
+    SET PATH=%PATH_BACKUP_%
 """, 'ThirdParty')
 
 stage('depot_tools', """
diff --git a/docs/building-win-x64.md b/docs/building-win-x64.md
index 4b73789700..efd4203e3b 100644
--- a/docs/building-win-x64.md
+++ b/docs/building-win-x64.md
@@ -20,13 +20,9 @@ You will require **api_id** and **api_hash** to access the Telegram API servers.
 
 ## Install third party software
 
-* Download **Strawberry Perl** installer from [http://strawberryperl.com/](http://strawberryperl.com/) and install to ***BuildPath*\\ThirdParty\\Strawberry**
-* Download **NASM** installer from [http://www.nasm.us](http://www.nasm.us) and install to ***BuildPath*\\ThirdParty\\NASM**
-* Download **Yasm** executable from [http://yasm.tortall.net/Download.html](http://yasm.tortall.net/Download.html), rename to *yasm.exe* and put to ***BuildPath*\\ThirdParty\\yasm**
 * Download **jom** archive from [http://download.qt.io/official_releases/jom/jom.zip](http://download.qt.io/official_releases/jom/jom.zip) and unpack to ***BuildPath*\\ThirdParty\\jom**
 * Download **Python 3.9** installer from [https://www.python.org/downloads/](https://www.python.org/downloads/) and install to ***BuildPath*\\ThirdParty\\Python39** with adding to PATH
 * Download **CMake 3.21 or later** installer from [https://cmake.org/download/](https://cmake.org/download/) and install to ***BuildPath*\\ThirdParty\\cmake**
-* Download **Ninja** executable from [https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-win.zip](https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-win.zip) and unpack to ***BuildPath*\\ThirdParty\\Ninja**
 * Download **Git** installer from [https://git-scm.com/download/win](https://git-scm.com/download/win) and install it.
 * Download **NuGet** executable from [https://dist.nuget.org/win-x86-commandline/latest/nuget.exe](https://dist.nuget.org/win-x86-commandline/latest/nuget.exe) and put to ***BuildPath*\\ThirdParty\\NuGet**
 
diff --git a/docs/building-win.md b/docs/building-win.md
index 4c2d676271..0699764996 100644
--- a/docs/building-win.md
+++ b/docs/building-win.md
@@ -20,13 +20,9 @@ You will require **api_id** and **api_hash** to access the Telegram API servers.
 
 ## Install third party software
 
-* Download **Strawberry Perl** installer from [http://strawberryperl.com/](http://strawberryperl.com/) and install to ***BuildPath*\\ThirdParty\\Strawberry**
-* Download **NASM** installer from [http://www.nasm.us](http://www.nasm.us) and install to ***BuildPath*\\ThirdParty\\NASM**
-* Download **Yasm** executable from [http://yasm.tortall.net/Download.html](http://yasm.tortall.net/Download.html), rename to *yasm.exe* and put to ***BuildPath*\\ThirdParty\\yasm**
 * Download **jom** archive from [http://download.qt.io/official_releases/jom/jom.zip](http://download.qt.io/official_releases/jom/jom.zip) and unpack to ***BuildPath*\\ThirdParty\\jom**
 * Download **Python 3.9** installer from [https://www.python.org/downloads/](https://www.python.org/downloads/) and install to ***BuildPath*\\ThirdParty\\Python39** with adding to PATH
 * Download **CMake 3.21 or later** installer from [https://cmake.org/download/](https://cmake.org/download/) and install to ***BuildPath*\\ThirdParty\\cmake**
-* Download **Ninja** executable from [https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-win.zip](https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-win.zip) and unpack to ***BuildPath*\\ThirdParty\\Ninja**
 * Download **Git** installer from [https://git-scm.com/download/win](https://git-scm.com/download/win) and install it.
 * Download **NuGet** executable from [https://dist.nuget.org/win-x86-commandline/latest/nuget.exe](https://dist.nuget.org/win-x86-commandline/latest/nuget.exe) and put to ***BuildPath*\\ThirdParty\\NuGet**