: Sites like Electronic First and HypestKey specialize in older digital license keys. Pricing Information

: Using Windows 8.1 in 2026 is highly discouraged for primary devices because it is vulnerable to new viruses and malware without security patches.

: Stores like SoftwareMedia and FastSoftwares.com still list OEM and single-license versions.

: You may find physical boxed copies or digital keys on Amazon or eBay from various individual sellers.

: You can still activate Windows 8.1 using a valid 25-digit product key via the PC Settings menu or by phone if online activation fails.