JExpress FAQ

JExpress Overview

• Why shouldn't I just write an installer myself?
• Why not just use Java Web Start?
• What are the advantages of JExpress over the competition?
• Can JExpress make my Java app an EXE on Windows? An app bundle on OS X?
• Do I get a cross platform installer too?
• Does JExpress include an autoupdater?
• Is JExpress only a Java installer?
• Does JExpress support languages other than English?

Using JExpress

• How does JExpress work?
• How does the autoupdate feature work?
• How do I customize my installer or updater with JExpress?
• Can I collect information from the user during installation?
• Can I access information, such as the installation directory name, in my custom extensions?
• What is the size of my installer?
• Can I use a single JExpress installer for multiple, related projects?
• Does JExpress let me create multiple install types (e.g., Typical, Compact)?
• Can I install directly from the web?
• Can I run JExpress and its installers on a headless machine?

JVM

• Do I need a JVM on my machine to run JExpress?
• Do my customers need a JVM on their machine?
• Do the native installers have to distribute a JVM?
• Can I change the version of the JVM that is distributed with the native installers?

User Interface, Java Programs and Programmers

• Do I use a Wizard to create my installation programs with JExpress?
• Do my customers use a Wizard during the installation programs?
• Can I use JExpress even if I'm not a Java programmer?
• Can JExpress create installers for non-Java products?

Technical Support and Updates

• What is the current version of JExpress?
• How long do I get free technical support?
• Do I get technical support during the evaluation period?
• How long do I get free updates after I purchase the product?
• How long do I get updates when I purchase an "Update" option?
• What is the difference between Extending and Renewing updates?
• Do I get to communicate with engineers when I have a challenge?
• What other support programs do you offer after the free period?
• Why does your staff always call my "problems" "challenges"?

License and System Requirements

• How is JExpress licensed?
• What are the differences between the source licenses?
• What is included in the JExpress Installer source license?
• What is included in the Full JExpress source license?
• What tools does DeNova use to build JExpress?
• What are the system requirements for my machine?
• What are the system requirements for my customers' machines?

Platforms and Download Size

• Does JExpress let me change the Windows registry?
• Does JExpress let me change environment variables?
• What platforms can JExpress run on?
• What computer language is JExpress developed in?
• How large are the download files for JExpress?

Orders, Billing, Credit Cards

• How can I place my order?
• Are there any shipping or handling charges? What about taxes?
• How long does it take to receive the full version?
• I placed my order but I haven't received my user id and password?
• Can I use a purchase order?
• Why does my credit card show Kagi instead of DeNova?
• How do I get an incorrect charge adjusted on my credit card?
• Can I get a refund?
• How can I pay for my order?