Watch these tutorials to learn how to activate your software after purchasing a key:

: This is the most comprehensive version, including Word, Excel, PowerPoint, Outlook, and Access.

Since Microsoft has discontinued sales, you must rely on secondary markets or specialized software retailers. Prices for these one-time purchase keys vary significantly based on the edition and merchant.

: Designed for individuals and students; does not include Outlook. Available at Royal Discount for ~$105.00.

Available at Mr Key Shop for ~$42.00 (discounted from $116.00). Found at FastSoftwares.com for ~$188.99 for a 2-PC license.

: Best for small business owners who need Outlook but not the full database features of Pro Plus.

Available at SoftwareCW for ~$19.99 (discounted from $149.00). Listings at Walmart for around $219.00.