| Subject | English | Chinese simplified |
| comp., MS | application compatibility | 应用程序兼容性 (The concept of ensuring that older applications still run correctly under newer operating systems) |
| comp., MS | Application Compatibility Toolkit | 应用程序兼容性工具包 (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) |