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title: "H2testw (Windows)"
{% include toc title="Table of Contents" %}
### Required Reading
'Tis be an add-on section fer checkin' ye SD card fer errors usin' h2testw.
Dependin' on th' size 'o ye SD card 'n th' speed 'o ye computer, 'tis process can take up to several hours!
'Tis page be fer Windows users only. If you are not on windows, check out the [F3 (Linux)](f3-(linux)) or [F3XSwift (Mac)](f3xswift-(mac)) pages.
### What You Need
* The latest version of [h2testw](https://www.heise.de/ct/Redaktion/bo/downloads/h2testw_1.4.zip)
### Instructions
1. Copy `h2testw.exe` from th' h2testw `.zip` to ye desktop
1. Insert ye SD card into ye computer
1. Run `h2testw.exe`
1. Select "English"
1. Click "Select target"
1. Select ye SD card's drive letter
1. Ensure "all available space" be selected
1. Click "Write + Verify"
1. Wait 'til th' process be completed
___
If the test shows the result `Test finished without errors`, your SD card is good and you can delete all `.h2w` files on your SD card.
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If th' test shows any other results, ye SD card may be corrupted or damaged 'n ye may have to replace it!
{: .notice--danger}
### Return to [Get Started](get-started)
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