PatchPae (v2) by wj32. Tested on: Windows Vista SP2, Windows 7 SP0, Windows 7 SP1, Windows 8, Windows 8.1, Windows 10 (builds 10240, 10586, 14393, 23569) == Installation == 1. Open an elevated Command Prompt window. 2. cd C:\Windows\system32. Make sure the current directory is in fact system32. [[ For Windows 8, Windows 8.1 and Windows 10: ]] 3. C:\WherePatchPaeIs\PatchPae2.exe -type kernel -o ntoskrnx.exe ntoskrnl.exe This will patch the kernel to enable a maximum of 128GB of RAM. [[ For Windows Vista and Windows 7: ]] 3. C:\WherePatchPaeIs\PatchPae2.exe -type kernel -o ntkrnlpx.exe ntkrnlpa.exe This will patch the kernel to enable a maximum of 128GB of RAM. 4. C:\WherePatchPaeIs\PatchPae2.exe -type loader -o winloadp.exe winload.exe This will patch the loader to disable signature verification. 5. bcdedit /copy {current} /d "Windows (PAE Patched)" This will create a new boot entry. A message should appear: The entry was successfully copied to {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}. [[ For Windows 8, Windows 8.1 and Windows 10: ]] 6. bcdedit /set {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} kernel ntoskrnx.exe This will set our boot entry to load our patched kernel. [[ For Windows Vista and Windows 7: ]] 6. bcdedit /set {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} kernel ntkrnlpx.exe This will set our boot entry to load our patched kernel. 7. bcdedit /set {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} path \Windows\system32\winloadp.exe This will set our loader to be our patched loader. 8. bcdedit /set {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} nointegritychecks 1 This will disable verification of the loader. 9. bcdedit /set {bootmgr} default {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} This will set our boot entry to be the default. 10. bcdedit /set {bootmgr} timeout 2 This will set the timeout to be shorter. Note: you can change this timeout to whatever you like. 11. Restart the computer and enjoy. == Removal == To remove the patch: * Run msconfig, click Boot, highlight the entry named "Windows (PAE Patched)", and click Delete. * Delete the files ntoskrnx.exe (or ntkrnlpx.exe) and winloadp.exe from C:\Windows\system32. == Updates == When Windows Update installs new updates on your computer, you should run Step 3 again to ensure that you have the latest version of the kernel. == Compiling == To compile PatchPae2, you need to get Process Hacker and build it. The directory structure should look like this: * ...\ProcessHacker2\lib\... * ...\ProcessHacker2\phlib\... * ...\src\PatchPae2.sln