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This is the complete path from nothing to a live warmup: sign up, install the Mac app, get one iPhone fully set up, and start warming your first account. Most of the time goes into a one-time iPhone setup: connecting it, configuring a few iOS settings, and installing the Warmr runner. Budget around 20–30 minutes for your first device; every device after that is faster.
The iPhone setup steps below (3–5) are the part people skip and then wonder why nothing runs. Don’t skip them. An iPhone can’t warm or post until the runner is installed on it.
Don’t want to do the technical steps by hand? Hand them to an AI agent: copy one prompt into Claude Code and it installs the runner and drives setup for you. See Set up with Claude.
1

Sign up and grab your license key

Go to app.warmr.so/signup and sign in with Google. Your license key is delivered instantly to your email and dashboard. No credit card required. The free trial gives you full access to get started.
2

Install and activate the Mac app

Download the Warmr Mac app from your dashboard, drag it into Applications, and open it. Paste your license key on the activation screen and click Activate. Full walkthrough, including the macOS security prompt: Installation.
3

Connect your first iPhone

Plug the iPhone into your Mac with a data USB cable, unlock it, and tap Trust when asked. It appears in Warmr’s Devices panel within a few seconds. Details: Connect iPhones.
4

Prepare the iPhone's settings

On the iPhone, turn on Developer Mode and enable UI Automation (Settings → Developer; without it nothing runs), set Appearance to Light, turn StandBy Off, and set Auto-Lock to Never. These prevent the most common stalls. Full checklist: Prepare each iPhone.
5

Install the Warmr runner

Install the runner once per iPhone so your Mac can drive it. With a paid Apple Developer account, use the one-button App Store Connect API method. With a free Apple ID, sign in Xcode (Product → Test / ⌘U, not Run). Step by step: Install the runner.
6

Add a social account

Log into the account in its app on the iPhone (for example, TikTok), then add it in Warmr under the connected device. See Adding accounts.
7

Start your first warmup

Select the account and press Start. Warmr drives the iPhone to scroll, like, follow, and search, building a natural activity history before any post goes live.
Watching the iPhone scroll its feed on its own means everything is wired up correctly. From here, set a posting schedule and use Cloud Drop to feed in content.
Connect more iPhones at any time. Repeat steps 3–5 for each one. An iPhone can hold up to 8 accounts per platform, but 3–4 TikTok or Instagram accounts per iPhone is the best-practice sweet spot for keeping them healthy.
Fresh accounts go through a warmup phase before they join your posting rotation, usually a few days, depending on the platform. Warmr blocks posting until an account has matured. See Account lifecycle.
Hit an error along the way? Setup troubleshooting has the fix for each common one.