Microsoft no longer officially lists Windows 8.1 on their main download page, but the Media Creation Tool for Windows 8.1 is still accessible via workarounds.
Why are users specifically searching for a Windows 8.1 Live CD ISO download ?
Once you have your Live ISO, you must write it to a physical disc or USB drive to make it bootable. Windows 8.1 Live Cd Iso Download
The standard Windows 8.1 ISO can act as a recovery tool. You can boot from it to access , System Restore , and Startup Repair .
By default, the installation ISO boots into a blue setup screen. To access “Live CD” functionality: Microsoft no longer officially lists Windows 8
After downloading, check the SHA-1 hash. A legitimate Windows 8.1 with Update (x64) ISO should have a SHA-1 similar to: F44B2B1A3C89F0D6C5F8E3A1B7C9D5E6F2A4B8C1 (example – verify online).
While Microsoft officially provided installation ISOs, they never offered a pre-built "Live" session. Users must typically create their own "Live" media using the Windows Preinstallation Environment (Windows PE) or third-party tools. Official Windows 8.1 ISO Sources The standard Windows 8
No official one. Some custom WinPE builds can be modified to save to a writable overlay, but it’s not standard.