: Because of UEFI Secure Boot, the standard exploit is non-persistent and must be re-run after every reboot. However, modern methods like the Tegra Jailbreak USB

Since you don’t have an installer (MSI/EXE installers rarely work due to registry writes), you use "portable apps."

# After jailbreak, from an elevated command prompt: set DEVMODE=1 copy \\network_share\putty_arm.exe C:\Program Files\Putty\ C:\Program Files\Putty\putty_arm.exe

Once confirmed, your device can now run ARM-compiled desktop applications (like 7-Zip, Notepad++, or Putty). ⚠️ Critical Limitations Jailbreak for Windows RT

Jailbreaking a Windows RT 8.1 Surface allows you to run unsigned desktop applications compiled for ARM