How to Default a Check Box to Checked on a Form
- 1). Log in to your Web server and open the HTML page that will include the check box.
- 2). Click in the <body> section of the page and insert this code:
Your Text <input type="checkbox" checked="yes"
value="Your Text" /> - 3). Replace both instances of "Your Text" with the text you want to appear next to the check box.
- 4). Publish the page.
Source...