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Yes, the printer works with Windows 7.
Click here: https://epson.com/Support/Printers/All-In-Ones/XP-Series/Epson-XP-640/s/SPT_C11CF50201
Click on Downloads
Next to Drivers and Utilities Combo Package installer, click on Download
Run the downloaded program and it will walk you through the installation process.
If you have anymore questions, please let me know otherwise if you can take a minute and use the rating system to rate our session as 4 stars or higher and press Submit so I am credited with helping you.
The disk will work as well.
I am checking back up on you about your issue. If the issue is resolved or you do not need anymore help, please rate our session as 4 stars or more and press Submit so I am credited with helping you otherwise please reply back so we can continue with the issue.