Prayaya V3 single-user license is authorized to the user account (Prayaya V3 ID) rather than to computer hardware or USB storage devices. Once you buy a license and activate Prayaya V3 successfully, your account takes effects, and you can login Prayaya V3 with your authorized account (Prayaya V3 ID) on more than one computer or USB storage device. However, you can not login Prayaya V3 in more than one computer or USB storage devices at the same time.

This means your purchased license will be still valid if you install Prayaya on a different computer or USB storage device due to various reasons such as computers or USB storage device damage, loss, stealthy, change of drive's serial number, etc. You can login with your authorized account (Prayaya V3 ID) and password after installation.

Your purchased Prayaya V3 license will be guaranteed with lifetime use and with 3 years of free upgrades and technical support. After 3 years, the upgrade and support will be invalid for your license, but you could renew the upgrade license in a discount price.