Aspose.Slides FOSS
.NET
Getting Started
Installation

Installation

Installation of Aspose.Slides FOSS for .NET

Aspose.Slides FOSS for .NET is distributed as a NuGet package. It targets .NET 9.0 and has no native dependencies: no Microsoft Office or other proprietary runtime required.

Prerequisites

RequirementDetail
.NET version.NET 9.0 SDK or later
Package managerNuGet (via dotnet CLI or Visual Studio)
Operating systemWindows, macOS, Linux (any platform supported by .NET 9.0)
Compiler / build tools.NET 9.0 SDK (includes the C# compiler)

1. Install via dotnet CLI (Recommended)

The simplest way to install Aspose.Slides FOSS is from NuGet:

dotnet add package Aspose.Slides.Foss

NuGet downloads and installs the package along with its dependencies. No post-install configuration is needed.

To install a pinned version for reproducible builds:

dotnet add package Aspose.Slides.Foss --version 26.3.0

2. Install via Visual Studio

  1. Right-click your project in Solution Explorer and select Manage NuGet Packages.
  2. Search for Aspose.Slides.Foss.
  3. Click Install.

3. Install via Package Manager Console 

Install-Package Aspose.Slides.Foss

4. Verify the Installation

After installing, verify that the library loads correctly and a Presentation can be created:

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Export;

using var prs = new Presentation();
Console.WriteLine("Aspose.Slides FOSS installed successfully");
Console.WriteLine($"Slides in empty presentation: {prs.Slides.Count}");

Expected output:

Aspose.Slides FOSS installed successfully
Slides in empty presentation: 1

You can also check the installed version with the dotnet CLI:

dotnet list package

This prints the package name, version, and resolved version.

Quick Start: Create a Presentation with a Shape

The following program creates a new presentation, adds a rectangle with text, and saves it as a .pptx file:

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Export;

using var prs = new Presentation();
var slide = prs.Slides[0];

// Add a rectangle shape and set its text
var shape = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 50, 50, 400, 150);
shape.AddTextFrame("Hello from Aspose.Slides FOSS!");

prs.Save("hello.pptx", SaveFormat.Pptx);
Console.WriteLine("Saved hello.pptx");

Important: Always use Presentation with a using statement or explicitly call Dispose(). This ensures proper cleanup of internal resources.

Platform Notes

Windows, macOS, Linux: The library is identical on all platforms. There are no platform-specific code paths or native extensions.

Docker / serverless: The library works inside .NET Docker images (such as mcr.microsoft.com/dotnet/sdk:9.0) with dotnet add package Aspose.Slides.Foss. No additional system packages are required.

CI/CD: Add dotnet add package Aspose.Slides.Foss to your CI pipeline’s dependency step, or include the package reference in your .csproj file. No additional setup is required.

Additional Resources

 English