How can I remove texture from walls?
The usual way is to wet the surface using a sprayer, wait a few minutes for the material to soften, the scrape off using a scraper.
You may need to do some touch-up of the drywall after removing the &quot;popcorn&quot; which you can do with spackle for small imperfections or drywall compound for larger ones.
Be sure to test on a small area to be sure it's going to work properly before you wet a large area.
Also, be aware that some of these used asbestos.  If you are in doubt, have it tested!