To install and activate TurboTax Desktop/Download for 2024, Windows editions, follow the steps in this help article.
There may be other issues going on with your computer. I see that you have already tried some troubleshooting steps. Additional troubleshooting steps are found in this help article. If you are still having trouble, you might also try these steps:
- Run the Windows System File Checker tool to repair missing or corrupted system files.
- Delete the downloaded file and download TurboTax again from InstallTurboTax.com. Sometimes files get corrupted during the download process.
- Restart your computer in Selective Startup Mode, and then install TurboTax.
- Install TurboTax on a different computer.
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