The AI-powered command bar that puts clipboard, media, meetings, and more at your fingertips.

: Essential but non-gaming services like Cortana, telemetry, and pre-installed Windows apps are stripped out to save RAM and CPU cycles. Performance Tweaks
Using an unofficial "Gamer Edition" is not a minor tweak—it is a dangerous compromise. Here is why security experts and Microsoft strongly advise against it:
Most custom ISOs disable Windows Update permanently. You will miss critical security patches for vulnerabilities like PrintNightmare, EternalBlue, or zero-days actively exploited in the wild. After October 2025, even official Windows 10 stops receiving updates—but unofficial builds stop much earlier.
Often replaces the modern Calculator with the classic version and might remove the Microsoft Store (though this can break some gaming features like Game Bar). No Windows Updates:
Beneath the applause was a quieter conversation. The telemetry that had been excised opened questions about responsibility; the performance hacks sometimes flirted with system stability. A vigilante community formed to test updates, to run battery of scenarios where a patch that shaved milliseconds could cost data integrity. They argued in threads with the intensity of philosophers, because for them software was moral territory — choices about defaults and privacy and which features would ship mattered like laws.
: Essential but non-gaming services like Cortana, telemetry, and pre-installed Windows apps are stripped out to save RAM and CPU cycles. Performance Tweaks
Using an unofficial "Gamer Edition" is not a minor tweak—it is a dangerous compromise. Here is why security experts and Microsoft strongly advise against it:
Most custom ISOs disable Windows Update permanently. You will miss critical security patches for vulnerabilities like PrintNightmare, EternalBlue, or zero-days actively exploited in the wild. After October 2025, even official Windows 10 stops receiving updates—but unofficial builds stop much earlier.
Often replaces the modern Calculator with the classic version and might remove the Microsoft Store (though this can break some gaming features like Game Bar). No Windows Updates:
Beneath the applause was a quieter conversation. The telemetry that had been excised opened questions about responsibility; the performance hacks sometimes flirted with system stability. A vigilante community formed to test updates, to run battery of scenarios where a patch that shaved milliseconds could cost data integrity. They argued in threads with the intensity of philosophers, because for them software was moral territory — choices about defaults and privacy and which features would ship mattered like laws.
Fix typos, translate, rewrite, or change tone in any app. No copy-pasting into a separate tool.
Select text in any app, whether it's your email, a document, or a chat message, and let AI improve it on the spot.
Select text in any app and translate it into 35+ languages. No switching to Google Translate, no new tabs. The result appears right where you're working.
Great for non-native speakers, remote teams, and multilingual workflows.
Rewrite any text to match the tone you need. Polishing a work email? Making a social post pop? Softening a blunt message? Done.
Typos and awkward phrasing slip in when you're typing fast, but they don't have to reach "Send." WindowSill reviews your text and fixes grammar and spelling while understanding context, so corrections actually make sense.
Useful for anyone who writes frequently, from students to professionals.
Build reusable prompts that capture your style: social posts, key-point extraction from reports, code formatting, whatever you repeat often. Save once, reuse forever.
Use cloud providers like OpenAI or Anthropic for maximum power, or run a local model on your machine for complete privacy. You decide what leaves your computer.
WindowSill isn't locked to one app. Select text or trigger actions anywhere on your system and get results on the spot.
Figma
Design
Stack Exchange
Social Media
Amazon
Shopping
Notion
Writing
Communication
Google Docs
Writing
Stack Overflow
Social Media
Visual Studio
Development
Google Sheets
Spreadsheets
YouTube
Media Player
Teams
Communication
Slack
Communication
Notepad++
Development
Spotify
Media Player
Word
Writing
Vivaldi
Browser
Social Media
OneNote
Writing
Opera
Browser
GitHub
Development
Social Media
Excel
Spreadsheets
WordPress
Writing
Chrome
Browser
PowerPoint
Writing
Outlook
Communication
Social Media
Discord
Communication
Edge
Browser
Gmail
Communication
Wondering how WindowSill stacks up against other tools? We put together honest, side-by-side comparisons.
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