[rimuru]

how can i create a telegram account without the mobile app?

[pine]

Use an android emulator.

[Yaddmin]

After Pine's reply - no more suggestions =)
Pine Your word is the LAST one
So happy that we got such a CooL staff memberZ
<3

[ryuzaki]

android emulators as mentioned before

i recommend:
bluestacks, nox, memu

easy to install. after that you can download the telegram apk (from a trusted source please) and start the registration.