In CRM there is not supported way to show check box text on right side and check box on left side.
but you can do this by adding one html web resource.
Here are simple steps..
1. Add your check box field on form.
2. Don't show label of check box field by unchecking Display label on the Form check box in field property.
3. Add new HTML web resource to form.
4. For Web resource also uncheck Display label option
5. In Web resource Formatting tab, select layout as One Column, and row layout for 1 row, scrolling - never and Display border - unchek.
6. Add web resource next for your check box field.
7. In web resource add your check box label.
8. Save and publish your form.
but you can do this by adding one html web resource.
Here are simple steps..
1. Add your check box field on form.
2. Don't show label of check box field by unchecking Display label on the Form check box in field property.
3. Add new HTML web resource to form.
4. For Web resource also uncheck Display label option
5. In Web resource Formatting tab, select layout as One Column, and row layout for 1 row, scrolling - never and Display border - unchek.
6. Add web resource next for your check box field.
7. In web resource add your check box label.
8. Save and publish your form.
