https://devzone.nordicsemi.com/f/nordic-q-a/10753/why-sdk10-ask-to-install-device-family-packHello i am trying to upgrade from sdk 9 to sdk 10 .zip version but after installing when i open some examples it asking me to install arm cmsis 4.5. pack and device family pack 8.2.0 why? i ahve installed . zip version but it also asks me to installen-USTelligent Community 13Mon, 11 Jan 2016 15:22:33 GMThttps://devzone.nordicsemi.com/thread/40181?ContentTypeID=1Mon, 11 Jan 2016 15:22:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:062090ff-e880-444d-bf1a-b4cb6d7eff74MARTIN FR<p>thanks for your kind reply now i succesfully update the SDK 10</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/40180?ContentTypeID=1Thu, 10 Dec 2015 11:49:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:849a5f48-68b5-4230-b44a-e86ad97cf0dcOle Bauck<p>This is confusing indeed. It is normal that keil will ask to install device family pack 8.2.0 when first using SDK 10, as stated on the <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk51.v10.0.0/getting_started_installing.html?cp=4_1_0_1_0_0#gs_installing_zip">infocenter</a>: &quot;If you use Keil 5, Keil will prompt you to install the nRF_DeviceFamilyPack.&quot;</p> <p>You may also need to click on the refresh symbol in pack installer to install new family pack (if I remember correct), see pictures:</p> <p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/8080.Capture.PNG" alt="image description" /></p> <p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/6683.Capture1.PNG" alt="image description" /></p><div style="clear:both;"></div>