How do I upgrade my non-power mirrors to power mirrors?

Hello,

This will require first getting the power mirrors, switches, wiring and fuse/relay setup to accomplish.

There are few aftermarket companies that offer power mirror conversion kits. Which will include all the basics.
Keep in mind that those conversions are universal setup, and the switches and other components will not be same as factory and may require some modifications to work.

Summit Racing does offer some of these conversion kits.

https://www.summitracing.com/search/product-line/street-scene-street-smart-electric-mirror-conversion-kits/part-type/side-view-mirrors/year/2001/make/chevrolet/model/silverado-1500?fr=part-type

Please let me know if you have any questions.
Thank you.