Mesen is a high-accuracy NES emulator for Windows and Linux. It offers numerous features, such as save states, video filters, netplay, rewinding, overclocking, cheat codes and HD packs. It also includes an extensive set of debugging tools for homebrew development or romhacking.
Mesen can open or be associated with 4 file types:
.nes.nez.unf.unif
Frequently asked questions
Is Mesen free?
Yes. Mesen is free and open-source software released under the GPL-3.0 license.
What is the latest version of Mesen?
The latest version is 0.9.9, released on Dec 8, 2021.
Is it safe to download Mesen?
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 91bd2b1ba007c9349864a96e490dbdaada78033d51e0be1aabbf442a4b9a7cda.
Which Windows versions does Mesen support?
Mesen runs on Windows and is available for 32-bit (x86) systems.
How do I uninstall Mesen?
Open Settings › Apps › Installed apps, find Mesen and select Uninstall. From the command line, run winget uninstall --id=SourMesen.Mesen -e.
Is there a portable version of Mesen?
Yes. Mesen is available as a portable ZIP archive (Mesen.0.9.9.zip, 32-bit (x86)) that runs without installation. Copy it to any folder or USB drive and run it from there.
What file types can Mesen open?
Mesen supports 4 file types, including .nes, .nez, .unf, .unif.
Alternatives to Mesen
Other Utilities programs for Windows from different developers.
FCEUX is a Nintendo Entertainment System (NES), Famicom, Famicom Disk System (FDS), and Dendy emulator. It supports NTSC (USA/JPN), PAL (European), and NTSC-PAL Hybrid modes. It supports both Windows