Buy Upgrade - Step 1
- Your purchase is backed by our 30-day money back guarantee.
- Optional priority support and maintenance (PS&M) is available when upgrading.
- If you have an upgrade or registration issue that needs human attention, then please contact us.
Simply enter your email address in the form below. The email address should be the one that is in our registered user database which is the original email address that you used to register CSE HTML Validator (unless it has been changed or updated).
If the address in our database is not your current or valid email address, then you can still buy upgrades immediately, but you will have to update your email address so that your new registration key can be sent to the correct email address.
| What You Have | One Version Behind Price per License (US $) |
Two+ Versions Behind Price per License (US $) |
|---|---|---|
| Standard Edition | $29 | $49 |
| Professional Edition | $49 | $69 |
| Standard to Professional Edition Upgrade - $60 per license | ||
Optional Priority Support and Maintenance (PS&M)
Optional priority support and maintenance (PS&M) (for one and two year periods) is now available! This includes priority support for technical support questions as well as guaranteed free major upgrades during the priority support and maintenance period.
To add PS&M to your order, simply choose the appropriate option on the order page to add PS&M for the desired period (one or two years). The below prices are valid only when buying new licenses or when buying version or edition upgrades for existing licenses and are in addition to the new license or upgrade price.
| Priority Support and Maintenance Prices for New Licenses and When Upgrading |
Standard Price Each (US $) |
Professional Price Each (US $) |
|---|---|---|
| One Year | $49 | $49 |
| Two Years | $98 | $98 |
| --- 30 DAY MONEY BACK GUARANTEE ON NEW LICENSES --- | ||

