Gpg4win 2.3.4 was designed to support a wide range of Windows versions that are now largely considered legacy:
The primary certificate manager for OpenPGP and S/MIME. gpg4win 2.3.4 download
You can verify the installer using the signature file to ensure it hasn't been tampered with. Key Updates in Version 2.3.4 Gpg4win 2
Various underlying software libraries were updated to their latest stable versions at the time of release to improve overall system reliability. Included Components and 10 (both 32-bit and 64-bit).
This specific release focused heavily on security hardening and stability:
Windows XP, Vista, 7, 8, and 10 (both 32-bit and 64-bit).
