x86: CRC32: 8B6AADCF MD5: B779956030B0466FECF8837CA944C41D SHA- 1 : B12473A5D22135A732991E7D9BB3AF363E5C2C34 x64: CRC32: C6F1B554 MD5: D458927891F7163CE4540FD492D98F02 SHA- 1 : 701F728CB36DECF4B08D102C14EB627BF5098757 1. Extract Iso to Hard Drive 2. Convert setup to Volume Channel using MTK 2.4.5 3. Install previous version in system 4. Check for updates on Microsoft Update and download ones over a meg 5. Extract the kb exe files to a folder and copy certain msp files to the UPDATES folder in the ISO directory 6. Create ISO and test to make sure any updates are current and repeat process if necessary 7. Test activation You can activate using Microsoft Toolkit 2.4.9 (Included). Click the Office button, then Activation tab, etc. Currently MTK does not yet activate KMS v6 which comes in the latest build of Windows 8.1. Keep current on the MTK thread on MDL. I've included a link. You can find out when/if it supports Windows 8.1. In the meantime, I've included a Retail conversion kit. You can use that for a legit un-blocked retail key, or use the VL version for MAK. Both Retail and MAK activation of Office 2013 work on Windows 8.1, but KMS is still progressing.