Microsoft Issues New Security Warning for Windows 10 ... - CNET

If you want to speed up a slow computer without compromising your security, several official or open-source alternatives exist:

Many modern applications and games depend on the very frameworks that developers delete to save space. Without the .NET Framework, Visual C++ runtimes, or specific DirectX files, many applications will crash on launch. Additionally, connecting new peripherals like a printer or a drawing tablet often fails because the underlying driver support infrastructure is gone. 3. Trust and Malware Concerns