Follow below mentioned steps to successfully publish your app on Windows:
Step 1 : Go to Windows Dev Center
Step 2 : Click on Sign In
Step 3 : Enter your email address here, and click on Next
Step 4 : Click on Dashboard
Step 5 : Click on Create a new…. Button
Step 6 : Enter a unique name, check its availability, and click on Reserve Product Name button
Step 7 : Click on Start your Submission button
Step 8 : Click on Pricing and availability
Step 9 : If you want to list your app as paid app, enter the base price, select currency, and click on Save
Step 10 : Click on Properties
Step 11 : Pick your app category (and subcategory, if applicable), and provide Privacy Policy URL
Step 12 : Click on Age Ratings
Step 13 : Here, select specific options in Age Ratings and Rating Questionnaire, and click on Save and Generate
Step 14 : The Age Rating certificate will be created. Just, click on Continue to proceed
Step 15 : Click on Packages
Step 16 : Browse or Drag and Drop your app .xap files here. You need to send an email to Appy Pie Submission Team at support@Appy Pie.com to get your app .xap files
Step 17 : Once you have successfully uploaded the app package files, a few options in Device family will appear. Uncheck Windows 10 Desktop, Windows 10 Team, Windows 10 Holographic, and leave Windows 10 mobile as it is
Step 18 : Click on Store Listings, then click English
Step 19 : You will be redirected to Store Listing dashboard. Enter app description here
Step 20 : Next, upload Screenshots and Store logos