PuTTY on Windows 11, from download link to first prompt
Windows 11 changed the shell, the settings app and the processor landscape, but not much about running a small Win32 terminal. The four details that actually matter on an 11 machine are the processor architecture, S mode, SmartScreen, and how you pin the thing so you can find it again.
Step by step
- Check your processor type. Open Settings, System, About and read the System type line to see whether the PC is x64 or Arm-based.
- Download the matching installer. Take the 64-bit x86 or Arm64 MSI from the official PuTTY release page.
- Verify the file. Run Get-FileHash in PowerShell and compare the SHA-256 value with the one published next to the download.
- Install and pin. Run the MSI, accept the default location, then pin PuTTY to the Windows 11 taskbar for quick access.
Not sure which of the listed files to grab? The package comparison breaks each one down.
x64 or Arm64?
Arm-based Windows 11 laptops can run the x86 build through emulation, and it works — it simply starts slower and burns more battery. Since both installers come from the same release, there is no reason to accept emulation on hardware that has a native option.
Windows 11 specific behavior
- SmartScreen. New releases trip the reputation filter for a while after publication. Verify the hash, then proceed.
- Taskbar pinning. Right-click the Start menu entry and choose Pin to taskbar; PuTTY has no Store presence.
- Controlled folder access. If Defender's ransomware protection is on, allow PSCP or PSFTP before your first transfer into Documents.
- Windows Terminal. It hosts PowerShell and the OpenSSH client, not PuTTY; the two coexist without conflict.
Make the first connection
Enter the host name, leave the port at 22, click Open, compare the host key fingerprint, and log in. If anything stalls, the error message reference identifies the cause faster than retrying. For the settings behind that dialog, see the PuTTY SSH client explainer.