What are the desktop system requirements for Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build)?

Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build) requires a 64-bit desktop operating system (Windows 10/11 or macOS Sonoma/Sequoia), a quad-core CPU (Intel Core i5 / Ryzen 5 / Apple Silicon M1+), and at least 8 GB RAM.

Will updating Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS to Latest v2026 Build keep my existing settings and saves?

Yes, user profiles, presets, and save files are stored in your local AppData or ~/Library/Application Support directory and remain intact when upgrading to Latest v2026 Build.

Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build) Update Changelog, Release Notes & Safe Upgrade Guide

by Berry · October 21, 2026

Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build) Release Changelog Summary: The latest Latest v2026 Build desktop build of Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS bundles all cumulative stability hotfixes, Windows 11 24H2 & macOS Sequoia compatibility improvements, and updated offline packages in a single verified download.

→ Download Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build) Full Updated Desktop Release

What's Included in Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build)

Cumulative Version Rollup: Includes all official stability patches, bug fixes, and feature updates released through build Latest v2026 Build.
Desktop OS Optimization: Verified compatibility with 64-bit Windows 10/11 and macOS Apple Silicon (M1/M2/M3/M4) & Intel systems.
Safe Profile & Preset Migration: Upgrading from an older build of Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS retains your existing user preferences, presets, and local save files automatically.
Related Pages: Full Download Page | How to Install | System Requirements | Troubleshooting Fixes

Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS – Windows 10/11 & macOS Configuration, Preset & Save Data Paths

When backing up user profiles, presets, or local save data between a Windows Desktop workstation and a MacBook Pro/Studio for Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build), check these default desktop directories:

Desktop Platform	Default User Data / Config / Preset Directory	Backup & Migration Notes
Windows 10 / 11 (x64)	`%APPDATA%\{Mario__Luigi_Bowsers_Inside_Story__Bowser_Jrs_Journey_Update_3DS}\` or `%USERPROFILE%\AppData\LocalLow\{Mario__Luigi_Bowsers_Inside_Story__Bowser_Jrs_Journey_Update_3DS}\`	Back up this folder before installing a newer version or resetting preferences.
macOS (Apple Silicon M1–M4 / Intel)	`~/Library/Application Support/Mario__Luigi_Bowsers_Inside_Story__Bowser_Jrs_Journey_Update_3DS/` & `~/Library/Preferences/`	Use `Cmd + Shift + G` in Finder to open hidden Library paths directly.

Release Metadata Summary – Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS

Title / Package: Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS
Verified Build Version: Latest v2026 Build
Archive Size: 29MB
Category: Nintendo Switch Games
Target Desktop OS: Windows 10/11 (64-bit) & macOS Desktop (Apple Silicon M1/M2/M3/M4 & Intel)
Primary Download Hub: Download Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build) Full Desktop Build

Frequently Asked Questions – Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 3DS (Latest v2026 Build)

Is Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey Update 1.1 completely free?

Yes, the update CIA file is offered as a free download on this page. The base game is a commercial Nintendo title, so you should own a legitimate copy before applying the patch.

Do I need the base game to use this update?

Yes. The 1.1 update is a patch, not a standalone game. You must have the base CIA of Mario & Luigi: Bowser’s Inside Story + Bowser Jr’s Journey installed on your 3DS for the update to apply.

Which region should I download, EUR or USA?

Match the update to your base game region. If your base game is EUR, download the EUR update; if it is USA, download the USA update. Mixing regions will not work.

Will installing the update erase my save data?

No. Applying the 1.1 patch does not remove your existing save files. Your progress remains intact after installation.

What tools do I need to install the CIA update?

You need a Nintendo 3DS with custom firmware and a CIA installer such as DevMenu, BigBlueMenu, or FBI. Place the .cia file on your SD card and install it through the tool.