Hi @Bilal Ahmed Ansari ,
Welcome to Microsoft Q&A!
You can evaluate a free trial of Visual Studio Professional for 30 days, if signing in to Visual Studio, you can add 60 days to the evaluation period and extend the trial period to total od 90 days.
The 90-day trial extension works only one time. After a trial period end, you are not allowed to use the Visual Studio.
To continue using Visual Studio, you need to unlock it with an online subscription or a product key. For more information, please refer to Extend a trial version or update a license.
Sincerely,
Anna
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