![](https://ucarecdn.com/c5ee4dcd-a025-40e5-946e-b68f24a582c0/-/format/auto/-/preview/3000x3000/-/quality/lighter/%E7%BB%84%201.png)
step 1
Take 2 pictures about Length and Width size of your touchpad
it is better to use CM to measure the size
![](https://ucarecdn.com/7432a8b7-ffd7-4f58-821c-3704f7906e3e/-/format/auto/-/preview/3000x3000/-/quality/lighter/%E7%BB%84%202.png)
step 2
Uplode the 2 picture with order
if your touchpad have the Fingerprint lock, also show the size about it.
![](https://ucarecdn.com/efdd567f-a8e6-45a5-988b-02d0e51ca982/-/format/auto/-/preview/3000x3000/-/quality/lighter/%E7%BB%84%203.png)
step 3
Left us message about brand and model of your laptop
tell us more information about your laptop
How Nums® Works
STEP 1
CLEAN TRACKPAD
Clean the touchpad using the included alcohol prep pad
STEP 2
ATTACH Nums™
ATTACH Nums™ by removing the protective film and ensuring the Nums™ film lands in position perfectly
STEP 3
Download driver
DOWNLOAD DRIVER, which is now available for Microsoft Surface and macOS operating systems.