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In some cases, the product key is checked against a list of known illegally distributed keys. [27] Certain retail copies of Windows and Office sold in certain countries classified as emerging markets have geographical activation restrictions, which only allow the user to activate the product within the indicated region. [28]
A product key is required to proceed and use Windows 95. In one form, product activation refers to a method invented by Ric Richardson and patented (U.S. patent 5,490,216) by Uniloc where a software application hashes hardware serial numbers and an ID number specific to the product's license (a product key) to
System Locked Pre-installation (SLP), also referred to as OEM Activation, is a product activation procedure for Microsoft Windows used by major OEMs of laptops and pre-built PCs wherein a Windows product key is added and locked to the machine's firmware before mass distribution. SLP product keys cannot be moved to other machines.
The 25 characters of the Product Key form a base-24 encoding of the binary representation of the Product Key. The Product Key is a multi-precision integer of roughly 115 bits, which is stored in little endian byte order in an array of 15 bytes. Of these 15 bytes the least significant four bytes contain the Raw Product Key in little endian byte ...
The Microsoft Office for Windows Word 1.1, Excel 2.0, PowerPoint 2.0 [2] ... The Product Key Card version only allows a single installation on a single machine.
Microsoft Office 1.5 for Mac was released in 1991 and included the updated Excel 3.0, the first application to support Apple's System 7 operating system. [176] Microsoft Office 3.0 for Mac was released in 1992 and included Word 5.0, Excel 4.0, PowerPoint 3.0 and Mail Client. Excel 4.0 was the first application to support new AppleScript. [176]
Microsoft Office 2021 (third release codenamed Office 16) is a version of the Microsoft Office suite of applications for the Microsoft Windows and macOS operating systems. It was released on October 5, 2021. [6] Its successor, Microsoft Office 2024 was released on October 1, 2024. [7]
Microsoft Office 2013 (codenamed Office 15 [6]) is a version of Microsoft Office, a productivity suite for Microsoft Windows. Unlike with Office 2010, no macOS equivalent was released. Microsoft Office 2013 includes extended file format support, user interface updates and support for touch among its new features and is suitable for IA-32 and ...