At the first launch the plug-in (Photoshop's menu Filter > Sattva > Descreen) you will see Software activation dialog.
1. Enter your name and email. Click Personalize button.

2. Copy the registration code to the clipboard (using a mouse). Close the dialog.
Send a email to sattva
sattva.ru
with this code to obtain the activation key. Alternatively you can send the
registration code using our
mail webform.

3. When you receive the activation key, paste it to the dialog and click Activate button. If you have not yet purchased the activation key you can do that here: purchase the activation key.

The plug-in should be activated.
The free demo works without an activation. If you would like to install the free demo, close Photoshop and reinstall the plug-in. During the installing choose "Home edition (demo)".
That happens when you change the name of your computer. You need send a email to
sattva
sattva.ru with the
registration code to get a new activation key.
Should you have any questions, please send them to sattva
sattva.ru.
Probably our communication was blocked by antispam filters. Send your email to sattva
descreen
gmail
com
or using our
mail webform.