Can I exchange or return an opened software? All opened software are non exchangeable or returnable (eg: Office Suite, Anti-Virus, Games and etc). Related articles What is Challenger's Return policy? Which items are not eligible under the 7 days returns policy? Can I proceed with an exchange with the missing contents? I have purchased a software which encountered installation error or failed to run. Can I return for a 1-to-1 exchange within 7 days from date of purchase? How do I claim warranty for defective products that have been purchased more than 7 days?