| Subject | English | Bulgarian |
| comp., MS | Application Compatibility Toolkit | комплект инструменти за проверка на съвместимостта на приложенията (A suite of tools that enables software developers, independent software vendors (ISVs), and enterprise IT professionals to determine whether their applications are compatible with a new version of Windows before rolling it out to the company. ACT also enables such individuals to determine how Windows security updates may impact their applications) |