Knowledge Base
Educational Licensing Guides
In-depth articles on Microsoft licensing, activation mechanics, and marketplace risk—written for buyers who want clarity before they purchase.
Updated: August 13, 2026
Windows & Office
Activation error codes, license types, HWID binding, and enterprise compliance audits.
Activation Error Database
Invalid activation key lookup: 33 Windows and Office error codes with message search and step-by-step fix guides.
33 codes →
Microsoft OEM License vs Retail
What is OEM licensing, Microsoft OEM license vs Retail transfer rights, and how to evaluate marketplace listings safely.
10 min read →
Windows HWID Crisis
Windows 10 change hardware IDs: HWID binding, tolerance errors after motherboard upgrade, and digital license reactivation without buying a new key.
11 min read →
Volume Licensing & Compliance Audit
Office MAK keys, Microsoft licensing audit checklist, built-in audit tools, and license compliance verification for IT teams.
10 min read →Game Keys — General
Cross-platform buyer guides: region locks, activation failures, wallet scams, and post-purchase disputes. Hub: Game Keys Audit.
Region Block & Regional Lockout
Region block and regional lockout explained—Global, EU, NA, CIS, ROW labels plus a pre-purchase checklist.
7 min read →
Game Key vs. Shared Account
Cross-platform primer: keys vs shared logins on Steam, PlayStation, Xbox, and Nintendo—ownership, ToS risk, and scam red flags.
8 min read →
Game Key Activation Errors
Fix invalid codes, already redeemed keys, region failures, and revoked games—plus when to open a marketplace dispute.
9 min read →
Gaming Gift Card Audit
Steam Wallet, PSN, Xbox, and eShop cards: scam patterns, chargeback risk, region locks, and a safer buying checklist.
10 min read →
Game Key Dispute Guide
Evidence pack template, marketplace dispute windows, escrow timelines, and revoked-key refund workflow.
11 min read →Platform Guides
Platform-specific security audits, region lock checklists, and pre-order safety reports.
Steam
Steam Key vs. Shared Account
2026 Steam audit: CD keys vs shared logins—VAC risk, activation safety, and escrow buying guide.
9 min read →
Steam Store Region Lock Guide
Account country, CIS/Global labels, Wallet currency zones, and pre-purchase checklist for Steam keys.
10 min read →Xbox
Xbox Key vs. Shared Account
2026 security audit: retail keys vs shared Xbox accounts—activation risk, bans, and safe buying checklist.
9 min read →
Xbox Store Region Lock Guide
Account region, 3-month change rule, gift card zones, and pre-purchase checklist.
10 min read →
GTA 6 Xbox Series X Audit
Technical feature review, key vs account risks, and escrow-protected Xbox pre-order checklist.
10 min read →PlayStation
PlayStation Key vs. Shared Account
2026 PSN audit: retail keys vs shared PlayStation accounts—region locks, bans, and buyer checklist.
9 min read →
PlayStation Store Region Lock Guide
Permanent PSN country, US/EU/UK labels, wallet zones, and pre-purchase checklist.
10 min read →
GTA 6 PS5 Pre-order Audit
Leonida & Vice City features, Jason & Lucia narrative audit, escrow pre-order safety ahead of Nov 20.
10 min read →Nintendo
Marketplace Reviews
Independent four-pillar audits: escrow, provenance, seller transparency, and dispute resolution.
Difmark Review 2026
Independent four-pillar audit: escrow, provenance, seller transparency, and dispute resolution. Score: 9.1/10.
Audit report →
G2A Review 2026
Independent four-pillar audit: escrow, provenance, seller transparency, and dispute resolution. Score: 7.3/10.
Audit report →
Eneba Review 2026
Independent four-pillar audit: escrow, provenance, seller transparency, and dispute resolution. Score: 8.4/10.
Audit report →
Kinguin Review 2026
Independent four-pillar audit: escrow, provenance, seller transparency, and dispute resolution. Score: 6.8/10.
Audit report →
SCDKey Review 2026
Independent four-pillar audit: escrow, provenance, seller transparency, and dispute resolution. Score: 5.7/10.
Audit report →Research & Methodology
How LicenseAudit evaluates marketplaces and maps the gray-market landscape.
