Sims 4 Mod Doctor

Always free. Made by Alpra.

Never pay for this program

If a person or website charged you specifically for Sims 4 Mod Doctor, it is an unauthorized copy. Request a refund and report the listing.

Find troublesome mods without deleting them

Mod Doctor scans for common file problems, explains the evidence in plain language, and temporarily moves selected mods into recoverable storage for safe testing.

Official download

Download the latest protected release directly from Alpra's official GitHub repository. Sims 4 Mod Doctor is always free.

Download Sims 4 Mod Doctor

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Never disable your antivirus to use Mod Doctor.

No legitimate copy requires you to pause protection or create an antivirus exclusion. If your security software detects the download, do not bypass the warning—verify that it came from this official website, compare its SHA-256 checksum, and contact Alpra for support.

Support & Contact

Need help, found a problem, or have an idea for the project? Feel free to add and message Alpra on Discord:

Discord.alpra.

Project support is free. Please never send passwords, account details, save files, or other private information.

Want to help support development?

Sims 4 Mod Doctor will always be free. If it has helped you and you would like to support future improvements, you can leave Alpra a completely optional tip on Ko-fi.

Support Alpra on Ko-fi

Verify your copy

  1. Download only from Alpra's official release page.
  2. Keep the executable, licence, security guide and checksum file together.
  3. Click MADE BY ALPRA inside the program to view its SHA-256 value.
  4. Compare that value with the official release's SHA256SUMS.txt.
  5. Never disable antivirus protection or add an exclusion for Mod Doctor.
  6. Once code signing is enabled, confirm the Alpra signature under Windows File Properties → Digital Signatures.

Important safety rule

Never save an important Sims 4 game while mods or custom content are disabled. Exit without saving, then restore the files through Mod Doctor.