Need help with Polyloader

When i try to compile a hack it says this in the output

Offsets.ccpp
Microsoft (R) C/C++ Optimizing Compiler Version 18.00.40629 for x86
Copyright (C) Microsoft Corporation. All rights reserved.

Decrypt.cpp
Engine.cpp
c:\users\nicholas\downloads\hecks\suite reborn v1_mpgh.net_r\PMemory.h(7) : fatal error C1083: Cannot open include file: 'TlHelp32.h': No such file or directory
main.cpp
c:\users\nicholas\downloads\hecks\suite reborn v1_mpgh.net_r\PMemory.h(7) : fatal error C1083: Cannot open include file: 'TlHelp32.h': No such file or directory
Offsets.cpp
c:\users\nicholas\downloads\hecks\suite reborn v1_mpgh.net_r\PMemory.h(7) : fatal error C1083: Cannot open include file: 'TlHelp32.h': No such file or directory
PMemory.cpp
c:\users\nicholas\downloads\hecks\suite reborn v1_mpgh.net_r\PMemory.h(7) : fatal error C1083: Cannot open include file: 'TlHelp32.h': No such file or directory
Settings.cpp
c:\users\nicholas\downloads\hecks\suite reborn v1_mpgh.net_r\PMemory.h(7) : fatal error C1083: Cannot open include file: 'TlHelp32.h': No such file or directory
Generating Code...
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What do?