As of April 2026, (Version 14.00+) activation requires a legitimate license key purchased from NCH Software to unlock all features, such as converting from formats like .dss, .sri, or .msv, according to user forums and support pages . Key Information & Processes (2026):
If you purchased Switch Plus within 12 months of the v10 release, you are eligible for a free new code. nch switch code new
The most significant "code-related" feature in recent versions is the , which allows developers and power users to automate audio conversions without using the graphical interface. As of April 2026, (Version 14