Prepare your Google account and assets
Step 3 of 6In Google Ads
Prepare the account, destination, media, and website measurement before you create the campaign.
Open Google Ads (opens in a new tab)Opens in a new tab. Keep this lesson open as you work.
Before you start
- A downloaded ad that passed your review.
- A Google account and access to business billing details.
- A working website destination and access to its measurement settings.
Prepare the account
- Sign in to Google Ads with the account that will own the campaign.
- If you need an account, create one with your business name and website address.
- Confirm the billing country and reporting time zone.
- Complete the payment profile and payment method.
Prepare the media
- For an image ad, prepare square and landscape versions that meet the dimensions below.
- Prepare a square business logo that meets the limits below.
- For a video ad, upload the exported video to YouTube.
- For a video, set the visibility to “Public” or “Unlisted”.
- For a video, copy the YouTube address for the ad editor.
Prepare website measurement
- Open “Summary” in the “Goals” menu.
- If Google shows “+ Create conversion action”, select it.
- For “Conversions on a website”, select “Edit data sources”.
- Enter your website domain.
- Select “Scan”.
- Before you use conversion-based bidding, complete the linked conversion guide.
Check before you continue
The account has billing details, the media meets Google’s requirements, and website measurement is ready for your selected goal.
What to know
- Square images require at least 300 × 300 pixels. Landscape images require at least 600 × 314 pixels, at 1.91:1.
- Image files use JPG or PNG and must not exceed 5 MB. Square logos require at least 144 × 144 pixels and must not exceed 150 KB.
- Videos require at least 5 seconds. Videos shorter than 10 seconds cannot serve on YouTube In-stream.
- Google accepts a YouTube video in the ad editor. It does not accept the downloaded video file directly.
- A conversion is a customer action that you measure, such as a purchase. The Google tag sends website activity to Google Ads.
- The conversion guide covers the event, tag installation, and tag status. A page-load event cannot supply transaction-specific values without additional setup.
Reference and tools
Google Ads instructions · Reviewed October 16, 2026. Platform controls can vary by account.