diff --git a/5.15.1/bin/7z.dll b/5.15.1/bin/7z.dll
new file mode 100644
index 0000000..0ba2232
Binary files /dev/null and b/5.15.1/bin/7z.dll differ
diff --git a/5.15.1/bin/7z.exe b/5.15.1/bin/7z.exe
new file mode 100644
index 0000000..3a8ee47
Binary files /dev/null and b/5.15.1/bin/7z.exe differ
diff --git a/5.15.1/bin/wget.exe b/5.15.1/bin/wget.exe
new file mode 100644
index 0000000..cda6b94
Binary files /dev/null and b/5.15.1/bin/wget.exe differ
diff --git a/5.15.1/compile_mac.sh b/5.15.1/compile_mac.sh
new file mode 100644
index 0000000..2f7fb1c
--- /dev/null
+++ b/5.15.1/compile_mac.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+export PATH=$PATH:/usr/local/Qt-5.15.1/bin
+
+cd qtbase
+
+./configure -opensource -confirm-license -nomake examples -nomake tests -no-openssl -securetransport
+
+make -j 12
+echo maki | sudo -S sudo make install
+
+cd ../qttools
+qmake
+make -j 12
+echo maki | sudo -S sudo make install
+
+cd ../qtmacextras
+qmake
+make -j 12
+echo maki | sudo -S sudo make install
+
+cd /usr/local
+zip -r ~/Desktop/qt5.15.1_mac.zip Qt-5.15.1/*
\ No newline at end of file
diff --git a/5.15.1/compile_win.bat b/5.15.1/compile_win.bat
new file mode 100644
index 0000000..cfdaeeb
--- /dev/null
+++ b/5.15.1/compile_win.bat
@@ -0,0 +1,40 @@
+SET PATH=%PATH%;%cd%\bin
+CALL "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat" x86
+SET _ROOT=%cd%
+SET PATH=%_ROOT%\qtbase\bin;%_ROOT%\gnuwin32\bin;%PATH%
+cd qtbase
+if "%~1"=="step2" goto step2
+IF EXIST openssl-1.1.1a\build GOTO OPENSSL_ALREAD_COMPILED
+wget --no-check-certificate https://www.openssl.org/source/openssl-1.1.1a.tar.gz
+7z x openssl-1.1.1a.tar.gz
+7z x openssl-1.1.1a.tar
+rm openssl-1.1.1a.tar.gz
+rm openssl-1.1.1a.tar
+cd openssl-1.1.1a
+perl Configure VC-WIN32 no-asm no-shared no-tests --prefix=%cd%\build --openssldir=%cd%\build
+nmake
+nmake install
+rm test\*.exe
+rm test\*.pdb
+rm test\*.obj
+:OPENSSL_ALREAD_COMPILED
+cd ..
+configure -opensource -developer-build -confirm-license -opengl desktop -mp -nomake tests -nomake examples -I "%cd%\openssl-1.1.1a\build\include" -openssl-linked OPENSSL_LIBS="%cd%\openssl-1.1.1a\build\lib\libssl.lib %cd%\openssl-1.1.1a\build\lib\libcrypto.lib -lcrypt32 -lws2_32 -lAdvapi32 -luser32"
+goto :EOF
+:step2
+nmake
+cd ..\qttools
+..\qtbase\bin\qmake
+nmake
+cd ..\qtbase
+cd ..
+cd qtbase
+cd openssl-1.1.1a
+del /s /f /q out32
+del /s /f /q out32.dbg
+cd ..
+cd ..
+del *.obj /s /f
+del *.ilk /s /f
+del *.pch /s /f
+del Makefile* /s /f
diff --git a/5.15.1/compile_win.pl b/5.15.1/compile_win.pl
new file mode 100644
index 0000000..04ad716
--- /dev/null
+++ b/5.15.1/compile_win.pl
@@ -0,0 +1,86 @@
+use strict;
+
+die "Cannot proceed without the 'bin' folder'" if (!-e "bin");
+
+my $arch = $ARGV[0];
+my $openssl_v_major = "1.1.1"; # The 1.1.1 series is Long Term Support (LTS) release, supported until 11th September 2023
+my $openssl_v_minor = "a";
+my $openssl_version = "$openssl_v_major$openssl_v_minor";
+my $openssl_dir = "openssl-$openssl_version"; 
+my $openssl_download = "https://www.openssl.org/source/openssl-$openssl_version.tar.gz";
+my $openssl_arch = $arch eq "amd64" ? "WIN64A" : "WIN32";
+
+$arch = "x86" if ($arch eq ''); # specify x86 is nothing is specified
+die "Please specify architecture (x86 or amd64)" if ($arch ne "x86" && $arch ne "amd64"); # die if user specified anything except x86 or amd64
+
+# will create a batch file
+
+my $batfile = 'compile_win.bat';
+
+open BAT, '>', $batfile;
+
+printLineToBat ("SET PATH=%PATH%;%cd%\\bin"); # add bin folder to the path for 7z and wget
+printLineToBat ("CALL \"C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Community\\VC\\Auxiliary\\Build\\vcvarsall.bat\" $arch");
+printLineToBat ("SET _ROOT=%cd%");
+printLineToBat ("SET PATH=%_ROOT%\\qtbase\\bin;%_ROOT%\\gnuwin32\\bin;%PATH%"); # http://doc.qt.io/qt-5/windows-building.html
+
+printLineToBat ("cd qtbase");
+printLineToBat ("if \"%~1\"==\"step2\" goto step2");
+
+# step1: compile openssl and do configure. For some reason, can't continue script execution after configure, have to make step2
+printLineToBat ("IF EXIST $openssl_dir\\build GOTO OPENSSL_ALREAD_COMPILED");
+printLineToBat ("wget --no-check-certificate $openssl_download");
+printLineToBat ("7z x openssl-$openssl_version.tar.gz");
+printLineToBat ("7z x openssl-$openssl_version.tar");
+printLineToBat ("rm openssl-$openssl_version.tar.gz");
+printLineToBat ("rm openssl-$openssl_version.tar");
+printLineToBat ("cd $openssl_dir");
+printLineToBat ("perl Configure VC-$openssl_arch no-asm no-shared no-tests --prefix=%cd%\\build --openssldir=%cd%\\build");
+printLineToBat ("nmake");
+printLineToBat ("nmake install");
+# do little clean up
+printLineToBat ("rm test\\*.exe");
+printLineToBat ("rm test\\*.pdb");
+printLineToBat ("rm test\\*.obj");
+printLineToBat (":OPENSSL_ALREAD_COMPILED");
+# go back to  qtbase
+printLineToBat ("cd ..");
+
+# -developer-build creates an in-source build for developer usage.
+# openssl: see https://bugreports.qt.io/browse/QTBUG-65501
+printLineToBat ("configure -opensource -developer-build -confirm-license -opengl desktop -mp -nomake tests -nomake examples -I \"%cd%\\$openssl_dir\\build\\include\" -openssl-linked OPENSSL_LIBS=\"%cd%\\$openssl_dir\\build\\lib\\libssl.lib %cd%\\$openssl_dir\\build\\lib\\libcrypto.lib -lcrypt32 -lws2_32 -lAdvapi32 -luser32\"");
+printLineToBat ("goto :EOF");
+
+# step 2:
+printLineToBat (":step2");
+
+printLineToBat ("nmake");
+printLineToBat ("cd ..\\qttools");
+printLineToBat ("..\\qtbase\\bin\\qmake");
+printLineToBat ("nmake");
+printLineToBat ("cd ..\\qtbase");
+printLineToBat ("cd .."); # go up to qt dir
+# openssl clean up
+printLineToBat ("cd qtbase");
+printLineToBat ("cd $openssl_dir");
+printLineToBat ("del /s /f /q out32");
+printLineToBat ("del /s /f /q out32.dbg");
+printLineToBat ("cd ..");
+printLineToBat ("cd ..");
+# the rest
+printLineToBat ("del *.obj /s /f");
+printLineToBat ("del *.ilk /s /f");
+printLineToBat ("del *.pch /s /f");
+printLineToBat ("del Makefile* /s /f");
+
+close BAT;
+
+system ($batfile);
+system ("$batfile step2");
+
+system ("pause");
+
+sub printLineToBat
+{
+	print BAT "$_[0]\n";
+}
\ No newline at end of file