Click below Images for help with Screen short
Just follow below steps for add a popup window in your blogger
1.Log in to your Blogger account
2. Go to Design > Page Elements
3. Click Add a Gadget.
4. Select HTML/JavaScript widget
5. Copy the below code and past it in HTML/java script box.
2. Go to Design > Page Elements
3. Click Add a Gadget.
4. Select HTML/JavaScript widget
5. Copy the below code and past it in HTML/java script box.