If online activation fails, you can select "Contact customer support" in PC settings to activate by phone. ⚠️ Important Considerations
Choose the Windows 8.1 edition (which typically includes Pro) from the dropdown. Iso windows 8 1 pro
Without security patches, your system is vulnerable to new malware and exploits. If online activation fails, you can select "Contact
You will need a valid 25-character product key during or after installation. If online activation fails
Newer hardware may lack compatible drivers for this OS.