DSShellExt -- Shell extension for 3DS executables

Supporting decrypted .CIA .3DSX .SMDH .NDS .3DS files

Should work on WinXP above(with .net 4.0 or above), verified on Win10 x64, Win8.1 x32?

Please let me know if it works for your system.

Discussion

Snapshot

Install

You should have .Net 4.0 or above installed
extract zip
run install.bat

Update

Run uninstall.bat first
Extract the latest release zip and overwrite everything.
If the file cannot be overwriten, you can restart computer or run restart_expolorer.bat, this will kill your desktop and file browser. Then repeat above step after your desktop show up.
Run install.bat again

Uninstall

run uninstall.bat

Credit

Sister project

ApkShellExt