HTBasic 10 Runtime version for Windows XP and older operating systems. Download Only. Single User Perpetual license. This Runtime version is for running applications developed with a Full Developer License version of HTBasic 10 . The Runtime is typically used for dedicated test stations or by developers who need to provide their end user customers with a smaller footprint non-development version to run their custom developed applications. Please allow 24 hours for License Keys to be emailed after an order is placed.