Legacy Windows Apps to Browser

Deliver Legacy Windows Applications Through the Browser

WebStream helps organisations provide browser-based access to existing Windows applications without rewriting the application, installing endpoint software, or building a complex VDI environment.

No rewrite. No endpoint install. No full desktop exposure.

WebStream sits between the browser and your existing Windows application, delivering just the app your users need — governed, audited, and ready to run on-premises or on AWS.

How It Works

How WebStream delivers apps to the browser

The application runs on Windows you control; only its interface is streamed to the browser. No code changes, no client software.

Browser-native streaming

The application UI streams to any modern HTML5 browser over TLS. There is nothing to install on the endpoint — no plug-in, agent, or extension.

No exposed RDP or VPN

Users never touch RDP port 3389 or a VPN client. Access is identity-gated through WebStream, keeping the Windows host off the open network.

Per-app entitlement & policy

Users launch a specific application, not a desktop. File transfer, clipboard, and print/PDF are governed by policy, with a full audit trail per session.

Runs on your infrastructure

Runs in your own cloud or data centre and is accessed entirely through the browser — nothing for end users to install. Paid tiers bill SessionHours — active streaming time, not seats or idle desktops.

Use Cases

Built for the apps that block modernisation

If it runs on Windows and your users still depend on it, WebStream can put it in the browser.

Line-of-business apps

Forms-based, database-driven systems that run the business but were never built for the web.

Productivity apps

Heavier productivity applications — document, spreadsheet, and reporting tools — delivered without a local install.

Internal tools

Admin consoles and operational utilities that need controlled, browser-based access.

ISV desktop products

Commercial Windows products an ISV wants to offer as a SaaS-style browser experience.

Operational apps

Shop-floor, logistics, and back-office systems integrated with local files and printers.

Legacy systems

Applications whose vendor is gone or source is unavailable — still critical, still running.

Workflow Support

The real workflows your users rely on

Browser delivery is only useful if the everyday actions work. WebStream supports them and governs them by policy.

File upload / download

Move files in and out of the application with policy control over what is allowed.

Clipboard

Copy and paste behaviour governed per policy to control data movement.

Print / PDF

Print to PDF and redirect output to the user without exposing the host.

Session persistence

Pick up where users left off with persistent session behaviour.

User & shared workspaces

Private and shared workspaces for the way teams actually work.

Identity & audit

Identity-driven access with a full audit trail around every session.

Comparison

WebStream vs the usual options

How browser-based app delivery compares with VPN/RDP, full VDI, and a rewrite.

Capability WebStream VPN / RDP Traditional VDI Rewrite
No application rewriteYesYesYesNo
No endpoint client installYesNoOftenYes
Delivers a single app (not full desktop)YesNoNoYes
File / print / clipboard policyYesLimitedVariesCustom
Full session audit trailYesLimitedVariesCustom
Time to first app in browserHoursDaysWeeksMonths+
Watch the Full WebStream Demo

From a Windows app to browser access

The full end-to-end demo: browser login, launching Notepad and LibreOffice, file workflows, and starting a WebStream Core evaluation on AWS.

Full WebStream demo — legacy Windows apps delivered through the browser on AWS.

Get Started

Evaluate WebStream Core

Tell us where to start and we’ll help you get your first Windows app into the browser. Prefer to give us full detail? Use the full assessment form.

FAQ

Common questions

Do I need to rewrite my Windows application?

No. WebStream runs your existing Windows application as-is and renders it in the browser. There is no code change, recompilation, or re-platforming required.

Do users need to install anything?

No endpoint client is required. Users sign in and launch the application in any modern browser — no VPN client, no RDP client, no agent.

Does this expose a full Windows desktop?

No. WebStream delivers the specific application rather than a full desktop session, reducing the surface area users can reach.

What application workflows are supported?

File upload and download, clipboard, print and PDF, session persistence, and user or shared workspaces are supported and governed by policy.

How do I try it?

Start with WebStream Core, the scale-limited evaluation edition — hosted in your cloud or ours, accessed entirely through the browser. Most teams have a working browser session within hours.

Get Started

Put your first Windows app in the browser

Start an evaluation with WebStream Core — hosted in your cloud or ours, accessed entirely through the browser. Most teams have a working browser session within hours.