Telegram Desktop brings Telegram to a full Windows workspace, which matters if your conversations involve more than quick replies on a phone. Group chats, channels, bots, saved messages, and file sharing are all easier to manage when you have a proper keyboard, wider message list, and drag and drop file handling.
It is a strong fit for users who manage many communities, follow channel-based information streams, communicate across regions, or regularly move documents between devices. If Telegram is part of your daily communication flow rather than an occasional app, the desktop client is the version that makes the service practical.
The reason to keep Telegram Desktop installed is efficiency. Search is fast, file sending is easy, and chat sync across devices makes it useful for document-heavy or message-heavy work. Saved Messages is also genuinely useful as a quick personal inbox for links, notes, and files you want to revisit on a PC.
The tradeoff is that Telegram can become distracting quickly if you join too many public groups or leave every download and notification option on default. It is also not the same thing as a structured workplace tool, so users should not expect channel organization to replace a real project workflow.
My recommendation is to install Telegram Desktop if Telegram already plays a daily role in your information flow, file exchange, or community work. Spend time on folders, notification rules, and download settings early, and the Windows app becomes much more valuable than a noisy mirror of your phone.