FastSum registration

We do our best to give you fast and comfortable ways to buy and register our product. You can buy FastSum MD5 Checksum Checker for any number of installations right now - using the Internet and secure connection protocol. Our registrars can accept any kind of payment - credit cards, checks, wire transfers, invoices and other. FastSum is distributed electronically, and can be ordered on CD. All online orders use secure transaction processing.

When you purchase a license, you will receive a "key" to unlock the program. As a registered user, you will receive:

Choose your license

Price, USD
Home 1 User License
For private, noncommercial usage at home only
$14.95 Buy Now!
Need more Home User Licenses?
There are volume discounts available: 2 - $25.95, 3 - $35.95, 4 - $40.95, 5 - $44.95
volume discounts Buy Now!
Enterprise 1 User License
$24.95 Buy Now!
Enterprise 5 User License
$74.95 Buy Now!
Enterprise 10 User License
$149.95 Buy Now!
Enterprise 25 User License
$349.99 Buy Now!
Enterprise Site License
Any number of users at one company location, and within a radius of 100 km from this location
$699.00 Buy Now!
Enterprise Worldwide License
Any number of users at any company location worldwide
$1,499.00 Buy Now!

Do not use unreliable or temporary e-mail addresses to avoid problems in the future! All updates, license key, etc will be sent to your registration e-mail.

If you have a problem with placing an order please call our registrant support service:

If you've made a payment but have not received a confirmation e-mail and registration key within a reasonable amount of time (two hours for online payments or two weeks for other payments), please notify us via e-mail at or a web form. Please note that a delay could mean that the e-mail address given in your order form is invalid (due to misspelling, etc.). We apologize for any inconvenience caused by these delays.

Free Download! The two integrity checkers based on cryptographic approved MD5 checksum algorithm in the one package!