1. In the top menu, you will either see a navigation menu icon  or your profile icon. Tap whichever icon you have and select Settings.
2. Tap Account, then tap Security.
Note: If you don't already have a phone number associated with your twitter account, you'll see a prompt to add one. A valid phone number is required to enable login verification.
3. Check the box for Login verification to turn it on.
4. Tap OK to begin enrollment.
5. Read the overview instructions, then tap Start.
6. Tap Send code to add your phone number.
   Note: If you already have a phone number associated with your Twitter account, we will send you an SMS to confirm your number.
7. Enter the verification code sent to your device, then tap Submit.
8. To proceed, tap Continue.
9. Tap Get Backup Code to generate a code.We recommend you store a screenshot of the code in case you need it for future use. This will help you access your account if you lose your mobile phone or change your phone number.

If you enrolled in login verification before March 21, 2016:

When you log in to your account on twitter.com or on another device using Twitter for iOS, Twitter for Android, or mobile.twitter.com, a push notification will be sent to your phone. Open the push notification to approve the login request. Once you approve, you will be immediately logged in to your account on twitter.com.

You may also receive a login code via SMS text message. You can opt into this by clicking request a code sent to your phone via SMS when you log in to your account on Twitter.com.

1. In the top menu, you will either see a navigation menu icon  or your profile icon. Tap whichever icon you have and select Settings.
2. Tap Account, then tap Security.
3. Uncheck the box for Login verification to switch it off.
4. Tap OK to confirm.

If we detect you will need a temporary password to log in, we will send one via SMS text message to your phone. Alternatively, you can generate your own temporary password.

To generate temporary password on twitter.com:

1. Click on the account tab of your account settings on twitter.com.
2. Click the Generate app password button.
3. Enter your current account password and click submit again.
4. You can click on the temporary password and this will automatically copy it for you.
5. When prompted to log in to your other device or application, enter your username and use the temporary password that you were provided.

1. Shortened links allow you to share long URLs in a Tweet while maintaining the maximum number of characters for your message.
2. Our link service measures information such as how many times a link has been clicked, which is an important quality signal in determining how relevant and interesting each Tweet is when compared to similar Tweets.
3. 3.Having a link shortener protects users from malicious sites that engage in spreading malware, phishing attacks, and other harmful activity. A link converted by Twitter's link service is checked against a list of potentially dangerous sites. Users are warned with the error message below when clicking on potentially harmful URLs.

If the URL of a site you manage has been flagged, please see this help page about flagged urls for more information.

1. Type or paste the URL into the Tweet box on twitter.com.
3. A URL of any length will be altered to 23 characters, even if the link itself is less than 23 characters long. Your character count will reflect this.
4. Click the Tweet button to post your Tweet and link.

1. Open your preferred mobile app, or begin a new text message.
3. Type or paste the URL into your Tweet. Links will be adjusted with Twitter's link shortener wherever you post them. Some clients will adjust your character count as you compose a Tweet; some won't.
4. Post the Tweet.

• Some URLs can be harmful. Please be careful when clicking links, especially ones that were shortened using an external link shortening service.
• URLs converted by Twitter's link service are checked against a list of potentially dangerous sites, and when there's a match, users will be warned before they continue.
• Always check to see what website you're on before giving out your password or downloading any software.
• Our safe tweeting help page has more information on keeping your account secure.

You may see this warning when:

• You Tweet a particular link.
• You add a particular link to your profile.
• You visit a particular link through Twitter's link service, http://t.co/

• You are subscribing to their Tweets as a follower.
• Their updates will appear in your home tab.
• That person is able to send you direct messages.

• They'll show up in your followers list
• They'll see your Tweets in their home timeline whenever they log in to Twitter.
• You can start a private conversation with them (see direct messages).

Avoid third party applications that promise to get you many followersthese usually break our terms of service and can get your account suspended

The best way to gain friends and fans on Twitter is to engage with people, follow others whose Tweets are interesting or meaningful to you, and be an active part of the Twitter community by reading and posting high-quality information.

Protecting your Tweets means anyone who wants to follow you must submit a request for your approval. Only followers you approve can see your protected Tweets and your Tweets will not appear in search engines.

If you have requested to follow someone whose Tweets are protected, then change your mind, you can click cancel to undo your follow request. (The cancel button appears on their profile in the same place you clicked the follow button.)

If you have requested to follow someone whose Tweets are protected, then change your mind, you can click cancel to undo your follow request. (The cancel button appears on their profile in the same place you clicked the follow button.)

Your Tweets won't appear in their timeline, and if they visit your profile, they will not be able to see any of your Tweets.

If you want to approve who follows your Tweets, protect your tweets.The same rules apply you can approve followers, but you don't have to follow them back.