diff --git a/build_tc.sh b/build_tc.sh
index 68382c3..ab5a2ae 100644
--- a/build_tc.sh
+++ b/build_tc.sh
@@ -37,10 +37,10 @@ function compile {
 if [ "$STEP" == "svt" ]; then 
   #
   # HEVC
-  #cd $SRC/svt-hevc/Build
-  #cmake .. -G"Visual Studio 15 2017" -A x64 -DCMAKE_INSTALL_PREFIX=$BUILD -DCMAKE_CONFIGURATION_TYPES=$MSBUILD_CONFIG
-  #MSBuild.exe /maxcpucount:$CPU_CORES /property:Configuration=$MSBUILD_CONFIG /property:ConfigurationType=StaticLibrary /property:TargetExt=.lib  svt-hevc.sln  
-  #cp -r ../Source/API $BUILD/include/svt-hevc ; cp ../Bin/$MSBUILD_CONFIG/SvtHevcEnc.lib $BUILD/lib/ ; cp SvtHevcEnc.pc $BUILD/lib/pkgconfig/
+  cd $SRC/svt-hevc/Build
+  cmake .. -G"Visual Studio 15 2017" -A x64 -DCMAKE_INSTALL_PREFIX=$BUILD -DCMAKE_CONFIGURATION_TYPES=$MSBUILD_CONFIG
+  MSBuild.exe /maxcpucount:$CPU_CORES /property:Configuration=$MSBUILD_CONFIG /property:ConfigurationType=StaticLibrary /property:TargetExt=.lib  svt-hevc.sln  
+  cp -r ../Source/API $BUILD/include/svt-hevc ; cp ../Bin/$MSBUILD_CONFIG/SvtHevcEnc.lib $BUILD/lib/ ; cp SvtHevcEnc.pc $BUILD/lib/pkgconfig/
   #
   # AV1
   cd $SRC/svt-av1/Build
@@ -49,16 +49,20 @@ if [ "$STEP" == "svt" ]; then
   cp -r ../Source/API $BUILD/include/svt-av1 ; cp ../Bin/Release/$MSBUILD_CONFIG/SvtAv1Enc.lib $BUILD/lib/ ; cp SvtAv1Enc.pc $BUILD/lib/pkgconfig/
   #
   # VP9
-  #cd $SRC/svt-vp9/Build
-  #cmake .. -G"Visual Studio 15 2017" -A x64 -DCMAKE_INSTALL_PREFIX=$BUILD -DCMAKE_CONFIGURATION_TYPES=$MSBUILD_CONFIG
-  #MSBuild.exe /maxcpucount:$CPU_CORES /property:Configuration=$MSBUILD_CONFIG /property:ConfigurationType=StaticLibrary /property:TargetExt=".lib" svt-vp9.sln
-  #cp -r ../Source/API $BUILD/include/svt-vp9 ; cp ../Bin/$MSBUILD_CONFIG/SvtVp9Enc.lib $BUILD/lib/ ; cp SvtVp9Enc.pc $BUILD/lib/pkgconfig/
-  #sed -i 's/ -lpthread//g' $BUILD/lib/pkgconfig/SvtVp9Enc.pc
-  #sed -i 's/ -lm//g' $BUILD/lib/pkgconfig/SvtVp9Enc.pc
+  cd $SRC/svt-vp9/Build
+  cmake .. -G"Visual Studio 15 2017" -A x64 -DCMAKE_INSTALL_PREFIX=$BUILD -DCMAKE_CONFIGURATION_TYPES=$MSBUILD_CONFIG
+  MSBuild.exe /maxcpucount:$CPU_CORES /property:Configuration=$MSBUILD_CONFIG /property:ConfigurationType=StaticLibrary /property:TargetExt=".lib" svt-vp9.sln
+  cp -r ../Source/API $BUILD/include/svt-vp9 ; cp ../Bin/$MSBUILD_CONFIG/SvtVp9Enc.lib $BUILD/lib/ ; cp SvtVp9Enc.pc $BUILD/lib/pkgconfig/
+  sed -i 's/ -lpthread//g' $BUILD/lib/pkgconfig/SvtVp9Enc.pc
+  sed -i 's/ -lm//g' $BUILD/lib/pkgconfig/SvtVp9Enc.pc
   #
   # PATCHES
   cd $SRC/ffmpeg
-  git apply ../svt-av1/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-av1.patch
+  git apply ../svt-hevc/ffmpeg_plugin/0001-lavc-svt_hevc-add-libsvt-hevc-encoder-wrapper.patch
+  git apply ../svt-av1/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-av1-with-svt-hevc.patch
+  git apply ../svt-vp9/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-vp9-with-svt-hevc-av1.patch
+  
+  #git apply ../svt-av1/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-av1.patch
   #git apply ../svt-hevc/ffmpeg_plugin/0001-lavc-svt_hevc-add-libsvt-hevc-encoder-wrapper.patch
   #git apply ../svt-av1/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-av1-with-svt-hevc.patch
   #git apply ../svt-vp9/ffmpeg_plugin/0001-Add-ability-for-ffmpeg-to-run-svt-vp9-with-svt-hevc-av1.patch