You can obtain a license key for Instant Invoice and Cashbook 10 from:
The Instant Invoice & Cashbook 10 license key offers the following features: Instant Invoice N Cashbook 10 License Key
: Set up automated schedules for repeat billing, which is ideal for service-based or subscription businesses. You can obtain a license key for Instant
Supports businesses that are tax-exempt, or those requiring one or two levels of tax (useful for regional requirements like those in Canada). Payment Integration: Includes the ability to add PayPal payment links directly into emailed invoices to help you get paid faster. Data Portability: Instant Invoice N Cashbook 10 License Key