Description of Microsoft software version and Model

ALPHA: beta version. Alpha is the first Greek letter, indicating the earliest version. Generally, users do not download this version. This version is generally used as a technical preview and may contain many bugs and has incomplete functions, it is mainly used for testing and finding bugs for developers and testers.

Pre version: Both alpha and alpha are pre-viewed versions, but the public can easily obtain them, such as M1 and M2. For Windows 7, I think many people have started to pay attention to it from m3.

BETA: Public Beta. Beta is the second of the Greek alphabet. As the name suggests, this version is later than the alpha version, and the software of this version is actually very mature, and major bugs will not appear, public-oriented testing, that is, "Public Beta", and new functions may be added to the software in this phase.

RC: Release Candidate (Candidate version). Candidate indicates a candidate and is a candidate version in software. Release. Candidate. Is the candidate release version. The biggest difference from the beta version is that new features will always be added in the beta stage, but in the RC version, new features will almost not be added, but the main focus is on debugging! This version is later than the beta version.

Stable version: stable version. This version is generally not available in commercial software. It is said that this version is available in open-source software. This is the final release of open-source software. You can use it with confidence.

RTM: release to manufacture. Factory version. The revised procedures have been fixed, and the factory packaging, CD printing and other work is poor.

OEM version: the manufacturer's customized version. We purchased the brand-name machine pre-installed with the OEM version. Haha, My Dell version is the installed Vista OEM version, which is automatically activated. Nowadays, many forums are filled with various OEM versions.

Eval: evaluation version. It is a version with a 30 or 60-day validity period.

RTL version: Retail. (retail version), which is the real release version, with beautiful packaging, CD, instruction manual and other things and high prices. When Windows 7 is listed, the price is certainly not cheap.

Msdn version: this is not a version code in the software development cycle. It is unique to Microsoft software, because the full name of msdn is "Microsoft Developer Network". In the forum, we usually say that the msdn version represents the meaning of the "original version" and "unmodified version.

Windows 7 RC: