If you're running Windows Phone 8.1 and your phone supports an SD card, you can install apps directly to your SD card instead of your phone's internal storage. These apps will show up in the App list just like your other apps and games.
1. At first you need to download one or more .xap files to your Sd Card/MMC.
2. Then go to online , that means you should turn on data on your mobile.
3. In the app list tap Store Tile.
4. Tap more icon (…).
6. Select the apps you want then tap install.
7. That’s it you have successfully install apps manully.
Note : Free apps and games can used immediately and paid apps-games can be used after purchased.
