Universal Audio (v9.1) is now PC compatible with a specific Windows 10 version that has Thunderbolt 3. I love my Apollo MKII Twin with quad processors. The plug-ins are amazing and they have bundle specials year round. I'm may sell some of my mic pres/channel strips....nah, I'm a gear hoarder. https://help.uaudio.com/hc/en-us/articles/215731443-Apollo-Thunderbolt-Windows-Compatibility Apollo System Requirements Thunderbolt System Requirements UAD Powered Plug-Ins current version Mac: Available Thunderbolt port macOS 10.12 Sierra, 10.13 High Sierra, 10.14 Mojave, or 10.15 Catalina Windows: Available Thunderbolt 3 port Windows 10 (64-Bit Edition) Qualified Thunderbolt 3 to Thunderbolt adapter* (sold separately) *See the Apollo Thunderbolt Windows Compatibility article for details All: Thunderbolt cable (sold separately) 6 gigabytes available storage Internet connection to download software and authorize UAD plug-ins Compatible VST, Audio Units, RTAS, or AAX 64 plug-in host DAW software Quad Core i7 or better processor recommended FireWire System Requirements UAD Powered Plug-Ins current version Windows 7, 8.1, or 10 (64-Bit Editions) macOS 10.12 Sierra, 10.13 High Sierra, or 10.14 Mojave Available FireWire 800 port* 6 gigabytes available storage Internet connection to download software and authorize UAD plug-ins Compatible VST, Audio Units, RTAS, or AAX 64 plug-in host DAW software *On Windows FireWire systems, a qualified PCIe-to-FireWire adapter card is required. See the Apollo FireWire Windows Compatibility article for details. Notes Operating systems not listed above are untested. Although untested operating systems may work, they are not supported by Universal Audio. Prior UAD software for older operating systems and discontinued UAD products is available in the UAD software archives. Pre-release and beta versions of operating systems are not supported. 2-in-1 systems (notebook/tablet) are not recommended. For updated details on macOS and Windows compatibility, click here.