A first electronic device, comprising: a processor; and a memory coupled to the processor and configured to store programming instructions that, when executed by the processor, cause the first electronic device to: establish an association relationship with a second electronic device, wherein the association relationship is based at least in part on common account information of the first electronic device and the second electronic device for logging in to an application server; download, according to capability information of the first electronic device, a first version of an application from a provider to the memory; establish a wireless connection between the first electronic device and the second electronic device; and send, in response to the first electronic device downloading the first version of the application from the provider, a notification associated with the application to a second electronic device via a wireless connection between the first electronic device and the second electronic device, wherein the notification notifies the second electronic device that the application is installed by the first electronic device and is configured to trigger the second electronic device to download a second version of the application, and wherein the second version of the application has a same application functionality as the first version of the application downloaded by the first electronic device. a processor; and a memory coupled to the processor and configured to store programming instructions that, when executed by the processor, cause the first electronic device to: establish an association relationship with a second electronic device, wherein the association relationship is based at least in part on common account information of the first electronic device and the second electronic device for logging in to an application server; download, according to capability information of the first electronic device, a first version of an application from a provider to the memory; establish a wireless connection between the first electronic device and the second electronic device; and send, in response to the first electronic device downloading the first version of the application from the provider, a notification associated with the application to a second electronic device via a wireless connection between the first electronic device and the second electronic device, wherein the notification notifies the second electronic device that the application is installed by the first electronic device and is configured to trigger the second electronic device to download a second version of the application, and wherein the second version of the application has a same application functionality as the first version of the application downloaded by the first electronic device. establish an association relationship with a second electronic device, wherein the association relationship is based at least in part on common account information of the first electronic device and the second electronic device for logging in to an application server; download, according to capability information of the first electronic device, a first version of an application from a provider to the memory; establish a wireless connection between the first electronic device and the second electronic device; and send, in response to the first electronic device downloading the first version of the application from the provider, a notification associated with the application to a second electronic device via a wireless connection between the first electronic device and the second electronic device, wherein the notification notifies the second electronic device that the application is installed by the first electronic device and is configured to trigger the second electronic device to download a second version of the application, and wherein the second version of the application has a same application functionality as the first version of the application downloaded by the first electronic device.