--- title: ".NET 4.5 Reviews" meta_title: ".NET 4.5 Reviews 2026: Details, Pricing, & Features | G2" meta_description: Filter 81 reviews by the users' company size, role or industry to find out how .NET 4.5 works for a business like yours. aggregate_rating: rating_value: 4.2 review_count: 81 scale: '5' date_modified: '2026-08-04' parent_category: name: Development url: https://www.g2.com/categories/development --- # .NET 4.5 Reviews **Vendor:** Microsoft **Category:** [Other Development Software](https://www.g2.com/categories/other-development) **Average Rating:** 4.2/5.0 **Total Reviews:** 81 ## About .NET 4.5 .NET Framework 4.5 is a comprehensive and consistent programming model developed by Microsoft for building applications with visually stunning user experiences, seamless and secure communication, and the ability to model a range of business processes. This version introduces significant enhancements that improve developer productivity and application performance. Key Features and Functionality: - Asynchronous Programming: Incorporates the `async` and `await` keywords, simplifying asynchronous code and enhancing application responsiveness. - Networking Enhancements: Adds support for WebSockets, enabling real-time, bidirectional communication between client and server. - ASP.NET Improvements: Introduces model binding for Web Forms, allowing for cleaner and more maintainable code. - Windows Presentation Foundation (WPF) Enhancements: Includes the new Ribbon control for rich user interfaces and improved performance when displaying large data sets. - Windows Communication Foundation (WCF) Updates: Simplifies configuration and supports multiple authentication modes on a single endpoint. - Windows Workflow Foundation (WF) Enhancements: Adds support for state machine workflows and improved designer features. Primary Value and Solutions Provided: .NET Framework 4.5 addresses the need for developers to create high-performance, scalable, and responsive applications across various platforms. By introducing asynchronous programming patterns, it allows applications to remain responsive under heavy workloads. The support for WebSockets and improved networking capabilities enable the development of modern web applications with real-time communication features. Enhancements in ASP.NET, WPF, WCF, and WF provide developers with powerful tools to build rich user interfaces, efficient communication systems, and complex workflows, thereby reducing development time and improving application maintainability. ## .NET 4.5 Pros & Cons **What users like:** - Users praise the **stability and async/await architecture** of .NET 4.5, enhancing responsiveness in AI applications. (8 reviews) - Users praise the **excellent performance efficiency** of .NET 4.5, appreciating its seamless async/await implementation. (8 reviews) - Users appreciate the **ease of coding and debugging** with .NET 4.5, enhancing their development experience and productivity. (7 reviews) - Users appreciate the **huge class library and async/await features** , simplifying development while ensuring high performance and fewer bugs. (7 reviews) - Users value the **easy and smooth debugging** experience in .NET 4.5, enhancing overall development efficiency. (4 reviews) - Users appreciate the **development ease** of .NET 4.5, noting its predictability and smooth debugging experience. (4 reviews) - Development Efficiency (4 reviews) - Debugging Tools (2 reviews) - IntelliSense (2 reviews) - Productivity Improvement (2 reviews) **What users dislike:** - Users find **compatibility issues** with .NET 4.5 due to reliance on older frameworks, limiting access to modern features. (6 reviews) - Users find the **limited features** of .NET 4.5 outdated, lacking support for modern cross-platform development. (6 reviews) - Users find .NET 4.5 to have **missing features** , limiting its effectiveness for modern applications and third-party integrations. (5 reviews) - Users find the **learning curve steep** , particularly for beginners struggling with C# syntax and project structure. (3 reviews) - Users express frustration with the **limited cross-platform compatibility** of .NET 4.5, hindering deployment flexibility. (3 reviews) - Software Heaviness (3 reviews) - High Resource Usage (2 reviews) - Learning Difficulty (2 reviews) - Complexity Issues (1 reviews) - Users find the **initial setup process complex** , making it time-consuming compared to newer frameworks. (1 reviews) ## .NET 4.5 Discussions - [Can I install .NET 4.5 Windows 10?](https://www.g2.com/discussions/can-i-install-net-4-5-windows-10) - [Is .NET 4.5 supported?](https://www.g2.com/discussions/is-net-4-5-supported) - [Is .NET Framework 4.5 free?](https://www.g2.com/discussions/is-net-framework-4-5-free) - [View .NET 4.5 pricing details and edition comparison](https://www.g2.com/products/net-4-5/reviews?page=5§ion=pricing&secure%5Bexpires_at%5D=2026-08-04+13%3A20%3A12+-0500&secure%5Bsession_id%5D=f653df8a-6525-4bb2-81b6-ad0af227a428&secure%5Btoken%5D=772ee76de552c130fb7d7a715f610169a4da45fe90d1e26867fe4b00ed43a446&format=llm_user) ## .NET 4.5 Integrations - [Microsoft SQL Server](https://www.g2.com/products/microsoft-sql-server/reviews) - [Visual Studio](https://www.g2.com/products/visual-studio/reviews) - [WordPress.org](https://www.g2.com/products/wordpress-org/reviews) ## .NET 4.5 Features **Functionality** - Ease of Use - File Management - Multi-Language Support - Customization - Straight-Out-the-Box Functionality - Help Guides - Patching & Updates ## Top .NET 4.5 Alternatives - [Essential Studio](https://www.g2.com/products/essential-studio/reviews) - 4.5/5.0 (778 reviews) - [Okta](https://www.g2.com/products/okta/reviews) - 4.5/5.0 (1,331 reviews) - [Termius](https://www.g2.com/products/termius/reviews) - 4.8/5.0 (262 reviews)