Yes, you can install Windows 10 even if you don't have a CD/DVD drive or a USB flash drive. Here are some alternative methods you can consider: 1. Installing from an ISO Image on the Hard Drive: - If you have an ISO file of the Windows 10 installation, you can mount it as a virtual drive using software like Virtual CloneDrive or Daemon Tools. Once mounted, you can run the setup directly from the virtual drive. 2. Network Installation: - You can install Windows 10 over a network using Windows Deployment Services (WDS) or similar tools if your system supports network booting. 3. PXE Boot Installation: - If your system and network support it, you can perform a PXE network boot to install Windows 10 without the need for...