First, download one of the wonderful reddit clients from the Windows Phone App Store, such as...

• Baconit

• Readit

Step-by-step For Baconit & Readit apps

1. Open your reddit app, log in with your reddit account credentials and make sure you are subscribed to /r/WPLockscreens.

2. Open the app's settings menu, then choose the Lock screen & desktop wallpaper updating (Baconit) or the Lockscreen & Wallpaper (Readit) submenu.

3. Toggle the slider for the "Automatically update lock screen image" (Baconit) or the "Update lockscreen automatically" (Readit) option to the On position.

4. Select WPLockscreens under the "Lock screen image source" (Baconit) or "Lockscreen Subreddit" (Readit) dropdown menu.

5. Choose an Image update frequency (Baconit) or update frequency (Readit) to determine how often your lockscreen image will cycle.

6. Use the phone's "back" button to navigate back to the main app.

7. Use the pull-down menu from the top of your phone to enter the "All settings" menu, then choose the "Personalization" submenu, then the "Lock screen" option.

8. Make sure "My picture" is selected under "Background."

9. Enjoy your rotating lockscreens!

Rules:

• NSFW is NOT allowed and will be removed at the discretion of the mods.
• We recommend submitting only one image per post. Album dumps are allowed, but will not show up in the lockscreen rotation on the phones.
• As a general rule, website links will be removed.
• No screenshots of lockscreens.
• If your lockscreen submission has text, please make sure it does not interfere with the phone's lockscreen text areas.
• High resolution images only -- HD720 (1280 x 720) or above, WQHD (2560 x 1440) preferred.

Other relevant subreddits:

• /r/baconit
• /r/readitforwp
• /r/groovemusic
• /r/iWallpaper
• /r/LumiaLovers
• /r/Microsoft
• /r/windows
• /r/windows8
• /r/windows10
• /r/windowsphone
• /r/windowsphonenews
• /r/WPDev
• /r/WPwallpapers
• /r/wpwishes
• /r/xboxlive
• /r/xboxone
• /r/Zune