For Quicken Deluxe 2015, call +1-877-200-6891 for more help and  go to the Help menu and select "Check for Updates." If the update option is not available, you may need to download the latest updates manually from the Quicken website.

If you’re still using Quicken Deluxe 2015, you’re not alone—but it’s important to know that this version is no longer supported by Quicken, and automatic updates no longer function. Fortunately, you can still install the final released update manually to improve stability and performance.
In this guide, you’ll learn exactly how to download and install the last available update for Quicken 2015 Deluxe. If you encounter issues or need help during the process, expert support is available at +1-877-200-6891.

Why Update Quicken Deluxe 2015?

Although Quicken 2015 is discontinued and no longer receives online updates, installing the final version:

• Fixes known bugs
• Improves overall software performance
• Enhances compatibility with Windows systems
• Helps maintain older financial records for offline use

Please note that all online services (bank downloads, cloud sync, etc.) were discontinued on April 30, 2018 for Quicken 2015.

Step-by-Step Guide to Updating Quicken Deluxe 2015

Step 1: Check Your Current Version

1. Open Quicken Deluxe 2015.
2. Go to Help > About Quicken.
3. Look at the release number. The final update for Quicken 2015 is R17.4.

If your version is earlier than R17.4, you can still update it manually.

Step 2: Download the Final Mondo Patch for Quicken 2015

Quicken’s official servers no longer host patches for 2015, but trusted third-party sites (such as the Quicken community forums or software archives) may still offer the R17.4 Mondo Patch for manual download.
Important: Only download from a trusted source to avoid malware.
If you're unsure where to find the correct patch, call +1-877-200-6891 for assistance in locating a safe download link.

Step 3: Install the Patch

1. Close Quicken completely.
2. Double-click the downloaded Mondo Patch file.
3. Follow the prompts to install the update.
4. Once completed, reopen Quicken and verify the version via Help > About Quicken.

Common Problems and Troubleshooting

Problem: Installer Won’t Run

• Try right-clicking the patch file and choosing Run as Administrator.
• Temporarily disable antivirus software before installation.
• Reboot your computer and try again.

Problem: Quicken Won’t Open After Updating

• Your data file may be incompatible or corrupted.
• Restore from a previous backup.
• Contact Quicken support at +1-877-200-6891 for file recovery assistance.

Should You Keep Using Quicken Deluxe 2015?

While Quicken 2015 Deluxe can still function for offline financial tracking, it no longer supports:

• Online account syncing
• Bill payment services
• Mobile access or cloud backup

If you need those features, you may want to consider upgrading to a modern version of Quicken Deluxe, which includes regular updates, support, and new tools.

Get Help When You Need It

Quicken Support: +1-877-200-6891
If you’re unsure how to patch Quicken 2015 Deluxe, having trouble opening your file, or considering an upgrade, trained support specialists are available to guide you through every step.

Conclusion

Updating Quicken Deluxe 2015 to the final R17.4 version ensures you’re using the most stable and reliable release of this legacy software. While the program no longer supports online features, it can still be useful for offline financial management. Follow the steps above to update manually, and don’t hesitate to reach out to +1-877-200-6891 for expert help.