Hi gwendolynp,
The driver and software for your PIXMA MG2520 are available for download from Canon's web site.
Please follow these steps to download and install the latest driver and software for your PIXMA MG2520:
1. Visit Canon's website at: http://usa.canon.com/support
2. Type PIXMA MG2520 in the "Enter a Model Name" box and click the Get Drivers & Downloads button.
3. Under Recommended Downloads, please click the Select button next to the MG2500 series Full Driver & Software Package.
4. If you agree, please select the checkbox next to "I have read and agree to the terms of the Disclaimer and wish to continue with the download".
5. Click the Download button.
6. If a Save As box comes up, click Save.
7. Once the download is complete, open your Downloads folder.
8. Double click [win-mg2500-1_1-ucd.exe].
9. Connect the USB cable when prompted.
Follow the prompts to install your PIXMA MG2520 on your computer.
