Antigravity Google download — official build verification

The antigravity google download is a single signed binary that passes through Google's standard code-signing pipeline before it is released. It carries an Authenticode certificate on Windows and a Gatekeeper notarisation on macOS, both traceable to Google LLC in the certificate chain. Understanding how to confirm you have the real antigravity google download — not a lookalike — takes three minutes and protects you from credential-harvesting malware that has been documented bundling with fake installers since the product launched.

How to confirm the antigravity Google download is official

The fastest confirmation on Windows is the Digital Signatures tab. Right-click the file you downloaded, choose Properties, and select Digital Signatures. The signer field must read Google LLC. Click Details, then View Certificate, and confirm the issuing authority traces back to DigiCert. A timestamp within a few days of the version release date is a further positive signal — a stale timestamp on a "new" build is a red flag.

On macOS, mount the downloaded .dmg and before dragging the app to Applications, open Terminal and run: codesign -dv --verbose=4 /Volumes/Antigravity/Antigravity.app. Look for Authority=Developer ID Application: Google LLC in the output. After installation, run spctl --assess --verbose /Applications/Antigravity.app — a clean antigravity google download returns accepted and source reads Notarized Developer ID.

On Linux, the official package carries a GPG signature from Google's Linux package signing key. Import the key from the official source and verify: gpg --verify antigravity_*.deb.asc antigravity_*.deb. A valid signature confirms the antigravity google download package has not been modified since it left Google's build pipeline.

Signals matrix — official vs lookalike

Signal	Official antigravity Google download	Lookalike red flag
Windows signer name	Google LLC	Missing, "Antigravity Inc.", or unknown company
macOS notarisation	Accepted by Gatekeeper, Developer ID: Google LLC	Gatekeeper blocked, missing or revoked certificate
File name	AntigravitySetup-x64.exe / Antigravity.dmg	"AntigravitySetup_free", "Google-Antigravity-v2", etc.
File size (approx)	Windows ~180 MB, macOS ~210 MB	Significantly smaller (stripped) or larger (bundled)
SHA-256 checksum	Matches value on official download page	Missing from source or does not match
Download URL	Official product domain	Subdomain typo, redirector, or aggregator site

Common lookalike patterns for the antigravity google download

Several categories of lookalike have been observed since the antigravity google download became a high-volume search query. The most common pattern is a site that mirrors the design of the official product page and serves an installer that bundles a browser hijacker or an adware payload alongside the legitimate application. The installer may even produce a working copy of the browser while silently installing the secondary payload.

A second pattern targets the Linux ecosystem: fake .deb packages hosted on unofficial PPA repositories that mimic the naming convention of the antigravity google download but are signed with keys that do not trace back to Google. The package installs cleanly but the binary has been modified to phone home to a third-party server on first run.

A third pattern exploits search advertising: paid search results may appear above organic results for "antigravity google download" and point to aggregator sites. The installer they serve is often a "downloader" application that makes a second network request to fetch the actual build — potentially from a rotating server that could serve different payloads depending on conditions. Always navigate directly to the official Antigravity domain rather than clicking an ad when you intend to fetch the antigravity google download.

Certificate fingerprint details for the antigravity Google download

The full certificate chain for the antigravity google download on Windows runs: your machine's trust store → DigiCert root → DigiCert Extended Validation code-signing intermediate → Google LLC end-entity certificate. You can inspect the full chain by opening the Digital Signatures tab, clicking Details, selecting View Certificate, and navigating the Certification Path tab. The thumbprint of the Google LLC end-entity certificate is published in the official security documentation and is updated when the certificate is renewed (typically annually).

For macOS, the antigravity google download app is both signed (Developer ID Application: Google LLC) and notarised by Apple. The notarisation ticket is stapled to the app bundle, meaning Gatekeeper can validate it without a network call. If Gatekeeper cannot validate the bundle and prompts with an "unidentified developer" warning, do not override it — delete the file and download from the official source again. The CISA secure-by-design guidance covers the broader context for supply-chain verification of software downloads.

"We caught a lookalike during our packaging review — the signer name was subtly wrong. After that incident, the antigravity google download verification steps became mandatory in our deployment checklist. Two minutes of certificate inspection per machine is a small price for the assurance it gives us."

What to do if you find a suspicious antigravity Google download source

If you encounter a site claiming to host the antigravity google download but the URL does not match the official domain, do not download. If you have already downloaded from an unofficial source and are uncertain whether the file is authentic, run your platform's antivirus scanner on the file before executing it. On Windows, Microsoft Defender can be invoked directly: Start-MpScan -ScanType CustomScan -ScanPath "C:\path\to\installer.exe".

Report suspicious lookalike download sites via Google's Safe Browsing report form — this helps protect other users who encounter the same pages through search. The security team also accepts reports at the contact address published in the security documentation.